Question: Class A collected 834 cans and class B collected 333 cans. How many more did class A collect?
Let's think step by step.
- Difference = 834 - 333.
- 834 - 333
- ones: 4 - 3 = 1, write 1
- tens: 3 - 3 = 0, write 0
- hundreds: 8 - 3 = 5, write 5
- written: 1 0 5 -> answer 501
Answer: 501


Question: If 2 shirts cost 14 dollars, how much do 4 shirts cost?
Let's think step by step.
- 2 cost 14 dollars, so 1 costs 7 dollars.
- 4 * 7
- 4 * 7 = 28 -> write 8, carry 2
- carry 2 -> write 2
- written: 8 2 -> answer 28
Answer: 28 dollars


Question: Dinner costs $38.20. You add a 10% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 3820 cents.
- 10% tip = 3820 / 10 = 382.
- Total = 3820 + 382.
- 0 + 2 = 2 -> write 2
- 2 + 8 = 10 -> write 0, carry 1
- 8 + 3 + 1 = 12 -> write 2, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 2 0 2 4 -> answer 4202
- Change = 6000 - 4202.
- 6000 - 4202
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 9 - 0 = 9, write 9
- hundreds: 9 - 2 = 7, write 7
- thousands: 5 - 4 = 1, write 1
- written: 8 9 7 1 -> answer 1798
Answer: $17.98


Question: A car drives 47 miles per hour for 2 hours. How far does it travel?
Let's think step by step.
- Distance = speed * time = 47 * 2.
- 47 * 2
- 7 * 2 = 14 -> write 4, carry 1
- 4 * 2 + 1 = 9 -> write 9
- written: 4 9 -> answer 94
Answer: 94 miles


Question: You get $20.00 allowance, spend $7.94 on lunch and $8.10 on a gift, then buy a $16.55 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 794.
- 2000 - 794
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 7 = 2, write 2
- thousands: 1 - 0 = 1, write 1
- written: 6 0 2 1 -> answer 1206
- Second purchase: 810.
- 1206 - 810
- ones: 6 - 0 = 6, write 6
- tens: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- hundreds: 1 - 8 can't, borrow -> 11 - 8 = 3, write 3
- thousands: 0 - 0 = 0, write 0
- written: 6 9 3 0 -> answer 396
- The game costs 1655, which is more than 396.
Answer: not enough money


Question: Class A collected 354 cans and class B collected 159 cans. How many more did class A collect?
Let's think step by step.
- Difference = 354 - 159.
- 354 - 159
- ones: 4 - 9 can't, borrow -> 14 - 9 = 5, write 5
- tens: 4 - 5 can't, borrow -> 14 - 5 = 9, write 9
- hundreds: 2 - 1 = 1, write 1
- written: 5 9 1 -> answer 195
Answer: 195


Question: Class A collected 687 cans and class B collected 607 cans. How many more did class A collect?
Let's think step by step.
- Difference = 687 - 607.
- 687 - 607
- ones: 7 - 7 = 0, write 0
- tens: 8 - 0 = 8, write 8
- hundreds: 6 - 6 = 0, write 0
- written: 0 8 0 -> answer 80
Answer: 80


Question: 'I have read 70 pages of this 250-page book.' 'I have read 30 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 70 + 30.
- 0 + 0 = 0 -> write 0
- 7 + 3 = 10 -> write 0, carry 1
- carry 1 -> write 1
- written: 0 0 1 -> answer 100
- Pages left = 250 - 100.
- 250 - 100
- ones: 0 - 0 = 0, write 0
- tens: 5 - 0 = 5, write 5
- hundreds: 2 - 1 = 1, write 1
- written: 0 5 1 -> answer 150
Answer: 150


Question: Dinner costs $27.92. You add a 15% tip and pay $50.00. How much change?
Let's think step by step.
- Bill is 2792 cents.
- 10% = 279; half of that is 139; tip = 279 + 139 = 418.
- Total = 2792 + 418.
- 2 + 8 = 10 -> write 0, carry 1
- 9 + 1 + 1 = 11 -> write 1, carry 1
- 7 + 4 + 1 = 12 -> write 2, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 0 1 2 3 -> answer 3210
- Change = 5000 - 3210.
- 5000 - 3210
- ones: 0 - 0 = 0, write 0
- tens: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- hundreds: 9 - 2 = 7, write 7
- thousands: 4 - 3 = 1, write 1
- written: 0 9 7 1 -> answer 1790
Answer: $17.90


Question: You get $20.00 allowance, spend $12.32 on lunch and $3.47 on a gift, then buy a $19.32 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1232.
- 2000 - 1232
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 2 = 7, write 7
- thousands: 1 - 1 = 0, write 0
- written: 8 6 7 0 -> answer 768
- Second purchase: 347.
- 768 - 347
- ones: 8 - 7 = 1, write 1
- tens: 6 - 4 = 2, write 2
- hundreds: 7 - 3 = 4, write 4
- written: 1 2 4 -> answer 421
- The game costs 1932, which is more than 421.
Answer: not enough money


Question: Dinner costs $36.60. You add a 10% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 3660 cents.
- 10% tip = 3660 / 10 = 366.
- Total = 3660 + 366.
- 0 + 6 = 6 -> write 6
- 6 + 6 = 12 -> write 2, carry 1
- 6 + 3 + 1 = 10 -> write 0, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 6 2 0 4 -> answer 4026
- Change = 6000 - 4026.
- 6000 - 4026
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 0 = 9, write 9
- thousands: 5 - 4 = 1, write 1
- written: 4 7 9 1 -> answer 1974
Answer: $19.74


Question: Dinner costs $34.54. You add a 15% tip and pay $50.00. How much change?
Let's think step by step.
- Bill is 3454 cents.
- 10% = 345; half of that is 172; tip = 345 + 172 = 517.
- Total = 3454 + 517.
- 4 + 7 = 11 -> write 1, carry 1
- 5 + 1 + 1 = 7 -> write 7
- 4 + 5 = 9 -> write 9
- 3 + 0 = 3 -> write 3
- written: 1 7 9 3 -> answer 3971
- Change = 5000 - 3971.
- 5000 - 3971
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 9 = 0, write 0
- thousands: 4 - 3 = 1, write 1
- written: 9 2 0 1 -> answer 1029
Answer: $10.29


Question: Dinner costs $41.76. You add a 10% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 4176 cents.
- 10% tip = 4176 / 10 = 417.
- Total = 4176 + 417.
- 6 + 7 = 13 -> write 3, carry 1
- 7 + 1 + 1 = 9 -> write 9
- 1 + 4 = 5 -> write 5
- 4 + 0 = 4 -> write 4
- written: 3 9 5 4 -> answer 4593
- Change = 6000 - 4593.
- 6000 - 4593
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 5 = 4, write 4
- thousands: 5 - 4 = 1, write 1
- written: 7 0 4 1 -> answer 1407
Answer: $14.07


Question: 'I have read 27 pages of this 300-page book.' 'I have read 63 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 27 + 63.
- 7 + 3 = 10 -> write 0, carry 1
- 2 + 6 + 1 = 9 -> write 9
- written: 0 9 -> answer 90
- Pages left = 300 - 90.
- 300 - 90
- ones: 0 - 0 = 0, write 0
- tens: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- hundreds: 2 - 0 = 2, write 2
- written: 0 1 2 -> answer 210
Answer: 210


Question: 'I have read 68 pages of this 250-page book.' 'I have read 25 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 68 + 25.
- 8 + 5 = 13 -> write 3, carry 1
- 6 + 2 + 1 = 9 -> write 9
- written: 3 9 -> answer 93
- Pages left = 250 - 93.
- 250 - 93
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 4 - 9 can't, borrow -> 14 - 9 = 5, write 5
- hundreds: 1 - 0 = 1, write 1
- written: 7 5 1 -> answer 157
Answer: 157


Question: Dinner costs $80.10. You add a 15% tip and pay $110.00. How much change?
Let's think step by step.
- Bill is 8010 cents.
- 10% = 801; half of that is 400; tip = 801 + 400 = 1201.
- Total = 8010 + 1201.
- 0 + 1 = 1 -> write 1
- 1 + 0 = 1 -> write 1
- 0 + 2 = 2 -> write 2
- 8 + 1 = 9 -> write 9
- written: 1 1 2 9 -> answer 9211
- Change = 11000 - 9211.
- 11000 - 9211
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 2 = 7, write 7
- thousands: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 9 8 7 1 0 -> answer 1789
Answer: $17.89


Question: A car drives 40 miles per hour for 2 hours. How far does it travel?
Let's think step by step.
- Distance = speed * time = 40 * 2.
- 40 * 2
- 0 * 2 = 0 -> write 0
- 4 * 2 = 8 -> write 8
- written: 0 8 -> answer 80
Answer: 80 miles


Question: Class A collected 818 cans and class B collected 177 cans. How many more did class A collect?
Let's think step by step.
- Difference = 818 - 177.
- 818 - 177
- ones: 8 - 7 = 1, write 1
- tens: 1 - 7 can't, borrow -> 11 - 7 = 4, write 4
- hundreds: 7 - 1 = 6, write 6
- written: 1 4 6 -> answer 641
Answer: 641


Question: What is 4 ft 9 in plus 4 ft 8 in?
Let's think step by step.
- Add inches: 9 + 8 = 17.
- 17 inches is 1 foot 5 inches (12 inches in a foot).
- Feet: 4 + 4 + 1 = 9.
Answer: 9 ft 5 in


Question: What is 6 ft 10 in plus 4 ft 8 in?
Let's think step by step.
- Add inches: 10 + 8 = 18.
- 18 inches is 1 foot 6 inches (12 inches in a foot).
- Feet: 6 + 4 + 1 = 11.
Answer: 11 ft 6 in


Question: A garden is 12 meters by 5 meters. Fencing costs $5 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 12 + 5 + 12 + 5.
- 2 + 5 = 7 -> write 7
- 1 + 0 = 1 -> write 1
- written: 7 1 -> answer 17
- 7 + 7 = 14 -> write 4, carry 1
- 1 + 1 + 1 = 3 -> write 3
- written: 4 3 -> answer 34
- Fence cost = 34 * 5.
- 34 * 5
- 4 * 5 = 20 -> write 0, carry 2
- 3 * 5 + 2 = 17 -> write 7, carry 1
- carry 1 -> write 1
- written: 0 7 1 -> answer 170
Answer: $170


Question: You get $20.00 allowance, spend $3.60 on lunch and $7.54 on a gift, then buy a $17.96 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 360.
- 2000 - 360
- ones: 0 - 0 = 0, write 0
- tens: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- hundreds: 9 - 3 = 6, write 6
- thousands: 1 - 0 = 1, write 1
- written: 0 4 6 1 -> answer 1640
- Second purchase: 754.
- 1640 - 754
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 3 - 5 can't, borrow -> 13 - 5 = 8, write 8
- hundreds: 5 - 7 can't, borrow -> 15 - 7 = 8, write 8
- thousands: 0 - 0 = 0, write 0
- written: 6 8 8 0 -> answer 886
- The game costs 1796, which is more than 886.
Answer: not enough money


Question: What is 2 ft 9 in plus 1 ft 8 in?
Let's think step by step.
- Add inches: 9 + 8 = 17.
- 17 inches is 1 foot 5 inches (12 inches in a foot).
- Feet: 2 + 1 + 1 = 4.
Answer: 4 ft 5 in


Question: A bus leaves at 7:12. The ride takes 27 minutes and the walk home takes 13 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 27 + 13.
- 7 + 3 = 10 -> write 0, carry 1
- 2 + 1 + 1 = 4 -> write 4
- written: 0 4 -> answer 40
- Leave at 7:12. Add 40 minutes: 12 + 40 = 52 minutes.
Answer: 7:52


Question: Class A collected 868 cans and class B collected 301 cans. How many more did class A collect?
Let's think step by step.
- Difference = 868 - 301.
- 868 - 301
- ones: 8 - 1 = 7, write 7
- tens: 6 - 0 = 6, write 6
- hundreds: 8 - 3 = 5, write 5
- written: 7 6 5 -> answer 567
Answer: 567


Question: Dinner costs $22.29. You add a 15% tip and pay $40.00. How much change?
Let's think step by step.
- Bill is 2229 cents.
- 10% = 222; half of that is 111; tip = 222 + 111 = 333.
- Total = 2229 + 333.
- 9 + 3 = 12 -> write 2, carry 1
- 2 + 3 + 1 = 6 -> write 6
- 2 + 3 = 5 -> write 5
- 2 + 0 = 2 -> write 2
- written: 2 6 5 2 -> answer 2562
- Change = 4000 - 2562.
- 4000 - 2562
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 5 = 4, write 4
- thousands: 3 - 2 = 1, write 1
- written: 8 3 4 1 -> answer 1438
Answer: $14.38


Question: Class A collected 865 cans and class B collected 530 cans. How many more did class A collect?
Let's think step by step.
- Difference = 865 - 530.
- 865 - 530
- ones: 5 - 0 = 5, write 5
- tens: 6 - 3 = 3, write 3
- hundreds: 8 - 5 = 3, write 3
- written: 5 3 3 -> answer 335
Answer: 335


Question: Dinner costs $48.78. You add a 15% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 4878 cents.
- 10% = 487; half of that is 243; tip = 487 + 243 = 730.
- Total = 4878 + 730.
- 8 + 0 = 8 -> write 8
- 7 + 3 = 10 -> write 0, carry 1
- 8 + 7 + 1 = 16 -> write 6, carry 1
- 4 + 0 + 1 = 5 -> write 5
- written: 8 0 6 5 -> answer 5608
- Change = 7000 - 5608.
- 7000 - 5608
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 0 = 9, write 9
- hundreds: 9 - 6 = 3, write 3
- thousands: 6 - 5 = 1, write 1
- written: 2 9 3 1 -> answer 1392
Answer: $13.92


Question: Class A collected 689 cans and class B collected 520 cans. How many more did class A collect?
Let's think step by step.
- Difference = 689 - 520.
- 689 - 520
- ones: 9 - 0 = 9, write 9
- tens: 8 - 2 = 6, write 6
- hundreds: 6 - 5 = 1, write 1
- written: 9 6 1 -> answer 169
Answer: 169


Question: A bus leaves at 9:44. The ride takes 35 minutes and the walk home takes 5 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 35 + 5.
- 5 + 5 = 10 -> write 0, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 0 4 -> answer 40
- Leave at 9:44. Add 40 minutes: 44 + 40 = 84 minutes.
- 84 is more than 60, so subtract 60: 84 - 60 = 24, and add 1 hour: 9 + 1 = 10.
Answer: 10:24


Question: You get $20.00 allowance, spend $3.21 on lunch and $7.78 on a gift, then buy a $12.40 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 321.
- 2000 - 321
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 3 = 6, write 6
- thousands: 1 - 0 = 1, write 1
- written: 9 7 6 1 -> answer 1679
- Second purchase: 778.
- 1679 - 778
- ones: 9 - 8 = 1, write 1
- tens: 7 - 7 = 0, write 0
- hundreds: 6 - 7 can't, borrow -> 16 - 7 = 9, write 9
- thousands: 0 - 0 = 0, write 0
- written: 1 0 9 0 -> answer 901
- The game costs 1240, which is more than 901.
Answer: not enough money


Question: 'I have read 28 pages of this 200-page book.' 'I have read 56 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 28 + 56.
- 8 + 6 = 14 -> write 4, carry 1
- 2 + 5 + 1 = 8 -> write 8
- written: 4 8 -> answer 84
- Pages left = 200 - 84.
- 200 - 84
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 8 = 1, write 1
- hundreds: 1 - 0 = 1, write 1
- written: 6 1 1 -> answer 116
Answer: 116


Question: What is 6 ft 10 in plus 2 ft 10 in?
Let's think step by step.
- Add inches: 10 + 10 = 20.
- 20 inches is 1 foot 8 inches (12 inches in a foot).
- Feet: 6 + 2 + 1 = 9.
Answer: 9 ft 8 in


Question: If 4 shirts cost 20 dollars, how much do 6 shirts cost?
Let's think step by step.
- 4 cost 20 dollars, so 1 costs 5 dollars.
- 6 * 5
- 6 * 5 = 30 -> write 0, carry 3
- carry 3 -> write 3
- written: 0 3 -> answer 30
Answer: 30 dollars


Question: You get $20.00 allowance, spend $8.77 on lunch and $4.17 on a gift, then buy a $16.85 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 877.
- 2000 - 877
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 8 = 1, write 1
- thousands: 1 - 0 = 1, write 1
- written: 3 2 1 1 -> answer 1123
- Second purchase: 417.
- 1123 - 417
- ones: 3 - 7 can't, borrow -> 13 - 7 = 6, write 6
- tens: 1 - 1 = 0, write 0
- hundreds: 1 - 4 can't, borrow -> 11 - 4 = 7, write 7
- thousands: 0 - 0 = 0, write 0
- written: 6 0 7 0 -> answer 706
- The game costs 1685, which is more than 706.
Answer: not enough money


Question: A bus leaves at 8:06. The ride takes 25 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 8.
- 5 + 8 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 8:06. Add 33 minutes: 6 + 33 = 39 minutes.
Answer: 8:39


Question: What is 2 ft 1 in plus 4 ft 1 in?
Let's think step by step.
- Add inches: 1 + 1 = 2.
- Feet: 2 + 4 + 0 = 6.
Answer: 6 ft 2 in


Question: 'I have read 45 pages of this 300-page book.' 'I have read 45 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 45 + 45.
- 5 + 5 = 10 -> write 0, carry 1
- 4 + 4 + 1 = 9 -> write 9
- written: 0 9 -> answer 90
- Pages left = 300 - 90.
- 300 - 90
- ones: 0 - 0 = 0, write 0
- tens: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- hundreds: 2 - 0 = 2, write 2
- written: 0 1 2 -> answer 210
Answer: 210


Question: A garden is 6 meters by 6 meters. Fencing costs $3 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 6 + 6 + 6 + 6.
- 6 + 6 = 12 -> write 2, carry 1
- carry 1 -> write 1
- written: 2 1 -> answer 12
- 2 + 2 = 4 -> write 4
- 1 + 1 = 2 -> write 2
- written: 4 2 -> answer 24
- Fence cost = 24 * 3.
- 24 * 3
- 4 * 3 = 12 -> write 2, carry 1
- 2 * 3 + 1 = 7 -> write 7
- written: 2 7 -> answer 72
Answer: $72


Question: A garden is 11 meters by 12 meters. Fencing costs $5 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 11 + 12 + 11 + 12.
- 1 + 2 = 3 -> write 3
- 1 + 1 = 2 -> write 2
- written: 3 2 -> answer 23
- 3 + 3 = 6 -> write 6
- 2 + 2 = 4 -> write 4
- written: 6 4 -> answer 46
- Fence cost = 46 * 5.
- 46 * 5
- 6 * 5 = 30 -> write 0, carry 3
- 4 * 5 + 3 = 23 -> write 3, carry 2
- carry 2 -> write 2
- written: 0 3 2 -> answer 230
Answer: $230


Question: A garden is 5 meters by 6 meters. Fencing costs $4 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 5 + 6 + 5 + 6.
- 5 + 6 = 11 -> write 1, carry 1
- carry 1 -> write 1
- written: 1 1 -> answer 11
- 1 + 1 = 2 -> write 2
- 1 + 1 = 2 -> write 2
- written: 2 2 -> answer 22
- Fence cost = 22 * 4.
- 22 * 4
- 2 * 4 = 8 -> write 8
- 2 * 4 = 8 -> write 8
- written: 8 8 -> answer 88
Answer: $88


Question: Dinner costs $83.97. You add a 10% tip and pay $110.00. How much change?
Let's think step by step.
- Bill is 8397 cents.
- 10% tip = 8397 / 10 = 839.
- Total = 8397 + 839.
- 7 + 9 = 16 -> write 6, carry 1
- 9 + 3 + 1 = 13 -> write 3, carry 1
- 3 + 8 + 1 = 12 -> write 2, carry 1
- 8 + 0 + 1 = 9 -> write 9
- written: 6 3 2 9 -> answer 9236
- Change = 11000 - 9236.
- 11000 - 9236
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 2 = 7, write 7
- thousands: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 4 6 7 1 0 -> answer 1764
Answer: $17.64


Question: You get $20.00 allowance, spend $6.77 on lunch and $8.06 on a gift, then buy a $19.39 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 677.
- 2000 - 677
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 6 = 3, write 3
- thousands: 1 - 0 = 1, write 1
- written: 3 2 3 1 -> answer 1323
- Second purchase: 806.
- 1323 - 806
- ones: 3 - 6 can't, borrow -> 13 - 6 = 7, write 7
- tens: 1 - 0 = 1, write 1
- hundreds: 3 - 8 can't, borrow -> 13 - 8 = 5, write 5
- thousands: 0 - 0 = 0, write 0
- written: 7 1 5 0 -> answer 517
- The game costs 1939, which is more than 517.
Answer: not enough money


Question: A bus leaves at 9:00. The ride takes 27 minutes and the walk home takes 6 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 27 + 6.
- 7 + 6 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 9:00. Add 33 minutes: 0 + 33 = 33 minutes.
Answer: 9:33


Question: What is 3 ft 3 in plus 4 ft 2 in?
Let's think step by step.
- Add inches: 3 + 2 = 5.
- Feet: 3 + 4 + 0 = 7.
Answer: 7 ft 5 in


Question: If 4 shirts cost 36 dollars, how much do 5 shirts cost?
Let's think step by step.
- 4 cost 36 dollars, so 1 costs 9 dollars.
- 5 * 9
- 5 * 9 = 45 -> write 5, carry 4
- carry 4 -> write 4
- written: 5 4 -> answer 45
Answer: 45 dollars


Question: Class A collected 477 cans and class B collected 413 cans. How many more did class A collect?
Let's think step by step.
- Difference = 477 - 413.
- 477 - 413
- ones: 7 - 3 = 4, write 4
- tens: 7 - 1 = 6, write 6
- hundreds: 4 - 4 = 0, write 0
- written: 4 6 0 -> answer 64
Answer: 64


Question: A bus leaves at 7:18. The ride takes 24 minutes and the walk home takes 13 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 24 + 13.
- 4 + 3 = 7 -> write 7
- 2 + 1 = 3 -> write 3
- written: 7 3 -> answer 37
- Leave at 7:18. Add 37 minutes: 18 + 37 = 55 minutes.
Answer: 7:55


Question: You get $20.00 allowance, spend $11.89 on lunch and $4.84 on a gift, then buy a $16.71 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1189.
- 2000 - 1189
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 8 = 1, write 1
- hundreds: 9 - 1 = 8, write 8
- thousands: 1 - 1 = 0, write 0
- written: 1 1 8 0 -> answer 811
- Second purchase: 484.
- 811 - 484
- ones: 1 - 4 can't, borrow -> 11 - 4 = 7, write 7
- tens: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- hundreds: 7 - 4 = 3, write 3
- written: 7 2 3 -> answer 327
- The game costs 1671, which is more than 327.
Answer: not enough money


Question: A bus leaves at 10:37. The ride takes 26 minutes and the walk home takes 14 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 26 + 14.
- 6 + 4 = 10 -> write 0, carry 1
- 2 + 1 + 1 = 4 -> write 4
- written: 0 4 -> answer 40
- Leave at 10:37. Add 40 minutes: 37 + 40 = 77 minutes.
- 77 is more than 60, so subtract 60: 77 - 60 = 17, and add 1 hour: 10 + 1 = 11.
Answer: 11:17


Question: Class A collected 868 cans and class B collected 407 cans. How many more did class A collect?
Let's think step by step.
- Difference = 868 - 407.
- 868 - 407
- ones: 8 - 7 = 1, write 1
- tens: 6 - 0 = 6, write 6
- hundreds: 8 - 4 = 4, write 4
- written: 1 6 4 -> answer 461
Answer: 461


Question: Dinner costs $82.42. You add a 15% tip and pay $110.00. How much change?
Let's think step by step.
- Bill is 8242 cents.
- 10% = 824; half of that is 412; tip = 824 + 412 = 1236.
- Total = 8242 + 1236.
- 2 + 6 = 8 -> write 8
- 4 + 3 = 7 -> write 7
- 2 + 2 = 4 -> write 4
- 8 + 1 = 9 -> write 9
- written: 8 7 4 9 -> answer 9478
- Change = 11000 - 9478.
- 11000 - 9478
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 4 = 5, write 5
- thousands: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 2 2 5 1 0 -> answer 1522
Answer: $15.22


Question: Dinner costs $85.82. You add a 10% tip and pay $110.00. How much change?
Let's think step by step.
- Bill is 8582 cents.
- 10% tip = 8582 / 10 = 858.
- Total = 8582 + 858.
- 2 + 8 = 10 -> write 0, carry 1
- 8 + 5 + 1 = 14 -> write 4, carry 1
- 5 + 8 + 1 = 14 -> write 4, carry 1
- 8 + 0 + 1 = 9 -> write 9
- written: 0 4 4 9 -> answer 9440
- Change = 11000 - 9440.
- 11000 - 9440
- ones: 0 - 0 = 0, write 0
- tens: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- hundreds: 9 - 4 = 5, write 5
- thousands: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 0 6 5 1 0 -> answer 1560
Answer: $15.60


Question: A bus leaves at 8:25. The ride takes 27 minutes and the walk home takes 10 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 27 + 10.
- 7 + 0 = 7 -> write 7
- 2 + 1 = 3 -> write 3
- written: 7 3 -> answer 37
- Leave at 8:25. Add 37 minutes: 25 + 37 = 62 minutes.
- 62 is more than 60, so subtract 60: 62 - 60 = 2, and add 1 hour: 8 + 1 = 9.
Answer: 9:02


Question: 'I have read 44 pages of this 250-page book.' 'I have read 34 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 44 + 34.
- 4 + 4 = 8 -> write 8
- 4 + 3 = 7 -> write 7
- written: 8 7 -> answer 78
- Pages left = 250 - 78.
- 250 - 78
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 4 - 7 can't, borrow -> 14 - 7 = 7, write 7
- hundreds: 1 - 0 = 1, write 1
- written: 2 7 1 -> answer 172
Answer: 172


Question: A garden is 11 meters by 8 meters. Fencing costs $5 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 11 + 8 + 11 + 8.
- 1 + 8 = 9 -> write 9
- 1 + 0 = 1 -> write 1
- written: 9 1 -> answer 19
- 9 + 9 = 18 -> write 8, carry 1
- 1 + 1 + 1 = 3 -> write 3
- written: 8 3 -> answer 38
- Fence cost = 38 * 5.
- 38 * 5
- 8 * 5 = 40 -> write 0, carry 4
- 3 * 5 + 4 = 19 -> write 9, carry 1
- carry 1 -> write 1
- written: 0 9 1 -> answer 190
Answer: $190


Question: You get $20.00 allowance, spend $9.64 on lunch and $4.27 on a gift, then buy a $16.58 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 964.
- 2000 - 964
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 9 = 0, write 0
- thousands: 1 - 0 = 1, write 1
- written: 6 3 0 1 -> answer 1036
- Second purchase: 427.
- 1036 - 427
- ones: 6 - 7 can't, borrow -> 16 - 7 = 9, write 9
- tens: 2 - 2 = 0, write 0
- hundreds: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- thousands: 0 - 0 = 0, write 0
- written: 9 0 6 0 -> answer 609
- The game costs 1658, which is more than 609.
Answer: not enough money


Question: Class A collected 274 cans and class B collected 274 cans. How many more did class A collect?
Let's think step by step.
- Difference = 274 - 274.
- 274 - 274
- ones: 4 - 4 = 0, write 0
- tens: 7 - 7 = 0, write 0
- hundreds: 2 - 2 = 0, write 0
- written: 0 0 0 -> answer 0
Answer: 0


Question: Class A collected 417 cans and class B collected 165 cans. How many more did class A collect?
Let's think step by step.
- Difference = 417 - 165.
- 417 - 165
- ones: 7 - 5 = 2, write 2
- tens: 1 - 6 can't, borrow -> 11 - 6 = 5, write 5
- hundreds: 3 - 1 = 2, write 2
- written: 2 5 2 -> answer 252
Answer: 252


Question: 'I have read 52 pages of this 350-page book.' 'I have read 64 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 52 + 64.
- 2 + 4 = 6 -> write 6
- 5 + 6 = 11 -> write 1, carry 1
- carry 1 -> write 1
- written: 6 1 1 -> answer 116
- Pages left = 350 - 116.
- 350 - 116
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 4 - 1 = 3, write 3
- hundreds: 3 - 1 = 2, write 2
- written: 4 3 2 -> answer 234
Answer: 234


Question: Class A collected 320 cans and class B collected 157 cans. How many more did class A collect?
Let's think step by step.
- Difference = 320 - 157.
- 320 - 157
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 1 - 5 can't, borrow -> 11 - 5 = 6, write 6
- hundreds: 2 - 1 = 1, write 1
- written: 3 6 1 -> answer 163
Answer: 163


Question: Class A collected 447 cans and class B collected 428 cans. How many more did class A collect?
Let's think step by step.
- Difference = 447 - 428.
- 447 - 428
- ones: 7 - 8 can't, borrow -> 17 - 8 = 9, write 9
- tens: 3 - 2 = 1, write 1
- hundreds: 4 - 4 = 0, write 0
- written: 9 1 0 -> answer 19
Answer: 19


Question: If 4 shirts cost 8 dollars, how much do 7 shirts cost?
Let's think step by step.
- 4 cost 8 dollars, so 1 costs 2 dollars.
- 7 * 2
- 7 * 2 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 4 1 -> answer 14
Answer: 14 dollars


Question: A garden is 7 meters by 6 meters. Fencing costs $5 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 7 + 6 + 7 + 6.
- 7 + 6 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 3 1 -> answer 13
- 3 + 3 = 6 -> write 6
- 1 + 1 = 2 -> write 2
- written: 6 2 -> answer 26
- Fence cost = 26 * 5.
- 26 * 5
- 6 * 5 = 30 -> write 0, carry 3
- 2 * 5 + 3 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 0 3 1 -> answer 130
Answer: $130


Question: 'I have read 51 pages of this 300-page book.' 'I have read 67 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 51 + 67.
- 1 + 7 = 8 -> write 8
- 5 + 6 = 11 -> write 1, carry 1
- carry 1 -> write 1
- written: 8 1 1 -> answer 118
- Pages left = 300 - 118.
- 300 - 118
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 1 = 8, write 8
- hundreds: 2 - 1 = 1, write 1
- written: 2 8 1 -> answer 182
Answer: 182


Question: Dinner costs $57.85. You add a 10% tip and pay $80.00. How much change?
Let's think step by step.
- Bill is 5785 cents.
- 10% tip = 5785 / 10 = 578.
- Total = 5785 + 578.
- 5 + 8 = 13 -> write 3, carry 1
- 8 + 7 + 1 = 16 -> write 6, carry 1
- 7 + 5 + 1 = 13 -> write 3, carry 1
- 5 + 0 + 1 = 6 -> write 6
- written: 3 6 3 6 -> answer 6363
- Change = 8000 - 6363.
- 8000 - 6363
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 3 = 6, write 6
- thousands: 7 - 6 = 1, write 1
- written: 7 3 6 1 -> answer 1637
Answer: $16.37


Question: 'I have read 43 pages of this 300-page book.' 'I have read 46 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 43 + 46.
- 3 + 6 = 9 -> write 9
- 4 + 4 = 8 -> write 8
- written: 9 8 -> answer 89
- Pages left = 300 - 89.
- 300 - 89
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 8 = 1, write 1
- hundreds: 2 - 0 = 2, write 2
- written: 1 1 2 -> answer 211
Answer: 211


Question: A bus leaves at 10:04. The ride takes 24 minutes and the walk home takes 15 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 24 + 15.
- 4 + 5 = 9 -> write 9
- 2 + 1 = 3 -> write 3
- written: 9 3 -> answer 39
- Leave at 10:04. Add 39 minutes: 4 + 39 = 43 minutes.
Answer: 10:43


Question: What is 5 ft 4 in plus 4 ft 7 in?
Let's think step by step.
- Add inches: 4 + 7 = 11.
- Feet: 5 + 4 + 0 = 9.
Answer: 9 ft 11 in


Question: Class A collected 443 cans and class B collected 331 cans. How many more did class A collect?
Let's think step by step.
- Difference = 443 - 331.
- 443 - 331
- ones: 3 - 1 = 2, write 2
- tens: 4 - 3 = 1, write 1
- hundreds: 4 - 3 = 1, write 1
- written: 2 1 1 -> answer 112
Answer: 112


Question: 'I have read 58 pages of this 200-page book.' 'I have read 53 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 58 + 53.
- 8 + 3 = 11 -> write 1, carry 1
- 5 + 5 + 1 = 11 -> write 1, carry 1
- carry 1 -> write 1
- written: 1 1 1 -> answer 111
- Pages left = 200 - 111.
- 200 - 111
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 1 = 8, write 8
- hundreds: 1 - 1 = 0, write 0
- written: 9 8 0 -> answer 89
Answer: 89


Question: A bus leaves at 8:07. The ride takes 34 minutes and the walk home takes 11 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 34 + 11.
- 4 + 1 = 5 -> write 5
- 3 + 1 = 4 -> write 4
- written: 5 4 -> answer 45
- Leave at 8:07. Add 45 minutes: 7 + 45 = 52 minutes.
Answer: 8:52


Question: 'I have read 87 pages of this 350-page book.' 'I have read 53 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 87 + 53.
- 7 + 3 = 10 -> write 0, carry 1
- 8 + 5 + 1 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 0 4 1 -> answer 140
- Pages left = 350 - 140.
- 350 - 140
- ones: 0 - 0 = 0, write 0
- tens: 5 - 4 = 1, write 1
- hundreds: 3 - 1 = 2, write 2
- written: 0 1 2 -> answer 210
Answer: 210


Question: What is 6 ft 10 in plus 4 ft 2 in?
Let's think step by step.
- Add inches: 10 + 2 = 12.
- 12 inches is 1 foot 0 inches (12 inches in a foot).
- Feet: 6 + 4 + 1 = 11.
Answer: 11 ft 0 in


Question: You get $20.00 allowance, spend $4.54 on lunch and $6.81 on a gift, then buy a $12.42 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 454.
- 2000 - 454
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 5 = 4, write 4
- hundreds: 9 - 4 = 5, write 5
- thousands: 1 - 0 = 1, write 1
- written: 6 4 5 1 -> answer 1546
- Second purchase: 681.
- 1546 - 681
- ones: 6 - 1 = 5, write 5
- tens: 4 - 8 can't, borrow -> 14 - 8 = 6, write 6
- hundreds: 4 - 6 can't, borrow -> 14 - 6 = 8, write 8
- thousands: 0 - 0 = 0, write 0
- written: 5 6 8 0 -> answer 865
- The game costs 1242, which is more than 865.
Answer: not enough money


Question: You get $20.00 allowance, spend $12.65 on lunch and $3.07 on a gift, then buy a $15.30 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1265.
- 2000 - 1265
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 2 = 7, write 7
- thousands: 1 - 1 = 0, write 0
- written: 5 3 7 0 -> answer 735
- Second purchase: 307.
- 735 - 307
- ones: 5 - 7 can't, borrow -> 15 - 7 = 8, write 8
- tens: 2 - 0 = 2, write 2
- hundreds: 7 - 3 = 4, write 4
- written: 8 2 4 -> answer 428
- The game costs 1530, which is more than 428.
Answer: not enough money


Question: A bus leaves at 10:22. The ride takes 35 minutes and the walk home takes 9 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 35 + 9.
- 5 + 9 = 14 -> write 4, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 4 4 -> answer 44
- Leave at 10:22. Add 44 minutes: 22 + 44 = 66 minutes.
- 66 is more than 60, so subtract 60: 66 - 60 = 6, and add 1 hour: 10 + 1 = 11.
Answer: 11:06


Question: Dinner costs $35.72. You add a 10% tip and pay $50.00. How much change?
Let's think step by step.
- Bill is 3572 cents.
- 10% tip = 3572 / 10 = 357.
- Total = 3572 + 357.
- 2 + 7 = 9 -> write 9
- 7 + 5 = 12 -> write 2, carry 1
- 5 + 3 + 1 = 9 -> write 9
- 3 + 0 = 3 -> write 3
- written: 9 2 9 3 -> answer 3929
- Change = 5000 - 3929.
- 5000 - 3929
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 9 = 0, write 0
- thousands: 4 - 3 = 1, write 1
- written: 1 7 0 1 -> answer 1071
Answer: $10.71


Question: Class A collected 432 cans and class B collected 170 cans. How many more did class A collect?
Let's think step by step.
- Difference = 432 - 170.
- 432 - 170
- ones: 2 - 0 = 2, write 2
- tens: 3 - 7 can't, borrow -> 13 - 7 = 6, write 6
- hundreds: 3 - 1 = 2, write 2
- written: 2 6 2 -> answer 262
Answer: 262


Question: What is 5 ft 10 in plus 1 ft 1 in?
Let's think step by step.
- Add inches: 10 + 1 = 11.
- Feet: 5 + 1 + 0 = 6.
Answer: 6 ft 11 in


Question: You get $20.00 allowance, spend $10.10 on lunch and $4.56 on a gift, then buy a $19.04 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1010.
- 2000 - 1010
- ones: 0 - 0 = 0, write 0
- tens: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- hundreds: 9 - 0 = 9, write 9
- thousands: 1 - 1 = 0, write 0
- written: 0 9 9 0 -> answer 990
- Second purchase: 456.
- 990 - 456
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 8 - 5 = 3, write 3
- hundreds: 9 - 4 = 5, write 5
- written: 4 3 5 -> answer 534
- The game costs 1904, which is more than 534.
Answer: not enough money


Question: A bus leaves at 8:29. The ride takes 35 minutes and the walk home takes 5 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 35 + 5.
- 5 + 5 = 10 -> write 0, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 0 4 -> answer 40
- Leave at 8:29. Add 40 minutes: 29 + 40 = 69 minutes.
- 69 is more than 60, so subtract 60: 69 - 60 = 9, and add 1 hour: 8 + 1 = 9.
Answer: 9:09


Question: 'I have read 58 pages of this 300-page book.' 'I have read 40 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 58 + 40.
- 8 + 0 = 8 -> write 8
- 5 + 4 = 9 -> write 9
- written: 8 9 -> answer 98
- Pages left = 300 - 98.
- 300 - 98
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 9 = 0, write 0
- hundreds: 2 - 0 = 2, write 2
- written: 2 0 2 -> answer 202
Answer: 202


Question: Dinner costs $50.79. You add a 15% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 5079 cents.
- 10% = 507; half of that is 253; tip = 507 + 253 = 760.
- Total = 5079 + 760.
- 9 + 0 = 9 -> write 9
- 7 + 6 = 13 -> write 3, carry 1
- 0 + 7 + 1 = 8 -> write 8
- 5 + 0 = 5 -> write 5
- written: 9 3 8 5 -> answer 5839
- Change = 7000 - 5839.
- 7000 - 5839
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 8 = 1, write 1
- thousands: 6 - 5 = 1, write 1
- written: 1 6 1 1 -> answer 1161
Answer: $11.61


Question: Class A collected 682 cans and class B collected 543 cans. How many more did class A collect?
Let's think step by step.
- Difference = 682 - 543.
- 682 - 543
- ones: 2 - 3 can't, borrow -> 12 - 3 = 9, write 9
- tens: 7 - 4 = 3, write 3
- hundreds: 6 - 5 = 1, write 1
- written: 9 3 1 -> answer 139
Answer: 139


Question: Dinner costs $50.53. You add a 15% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 5053 cents.
- 10% = 505; half of that is 252; tip = 505 + 252 = 757.
- Total = 5053 + 757.
- 3 + 7 = 10 -> write 0, carry 1
- 5 + 5 + 1 = 11 -> write 1, carry 1
- 0 + 7 + 1 = 8 -> write 8
- 5 + 0 = 5 -> write 5
- written: 0 1 8 5 -> answer 5810
- Change = 7000 - 5810.
- 7000 - 5810
- ones: 0 - 0 = 0, write 0
- tens: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- hundreds: 9 - 8 = 1, write 1
- thousands: 6 - 5 = 1, write 1
- written: 0 9 1 1 -> answer 1190
Answer: $11.90


Question: You get $20.00 allowance, spend $14.79 on lunch and $2.51 on a gift, then buy a $14.74 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1479.
- 2000 - 1479
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 4 = 5, write 5
- thousands: 1 - 1 = 0, write 0
- written: 1 2 5 0 -> answer 521
- Second purchase: 251.
- 521 - 251
- ones: 1 - 1 = 0, write 0
- tens: 2 - 5 can't, borrow -> 12 - 5 = 7, write 7
- hundreds: 4 - 2 = 2, write 2
- written: 0 7 2 -> answer 270
- The game costs 1474, which is more than 270.
Answer: not enough money


Question: A bus leaves at 10:14. The ride takes 34 minutes and the walk home takes 13 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 34 + 13.
- 4 + 3 = 7 -> write 7
- 3 + 1 = 4 -> write 4
- written: 7 4 -> answer 47
- Leave at 10:14. Add 47 minutes: 14 + 47 = 61 minutes.
- 61 is more than 60, so subtract 60: 61 - 60 = 1, and add 1 hour: 10 + 1 = 11.
Answer: 11:01


Question: Class A collected 837 cans and class B collected 392 cans. How many more did class A collect?
Let's think step by step.
- Difference = 837 - 392.
- 837 - 392
- ones: 7 - 2 = 5, write 5
- tens: 3 - 9 can't, borrow -> 13 - 9 = 4, write 4
- hundreds: 7 - 3 = 4, write 4
- written: 5 4 4 -> answer 445
Answer: 445


Question: You get $20.00 allowance, spend $12.15 on lunch and $6.24 on a gift, then buy a $11.49 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1215.
- 2000 - 1215
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 2 = 7, write 7
- thousands: 1 - 1 = 0, write 0
- written: 5 8 7 0 -> answer 785
- Second purchase: 624.
- 785 - 624
- ones: 5 - 4 = 1, write 1
- tens: 8 - 2 = 6, write 6
- hundreds: 7 - 6 = 1, write 1
- written: 1 6 1 -> answer 161
- The game costs 1149, which is more than 161.
Answer: not enough money


Question: What is 6 ft 11 in plus 2 ft 6 in?
Let's think step by step.
- Add inches: 11 + 6 = 17.
- 17 inches is 1 foot 5 inches (12 inches in a foot).
- Feet: 6 + 2 + 1 = 9.
Answer: 9 ft 5 in


Question: A bus leaves at 9:13. The ride takes 28 minutes and the walk home takes 6 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 28 + 6.
- 8 + 6 = 14 -> write 4, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 4 3 -> answer 34
- Leave at 9:13. Add 34 minutes: 13 + 34 = 47 minutes.
Answer: 9:47


Question: Dinner costs $79.68. You add a 10% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 7968 cents.
- 10% tip = 7968 / 10 = 796.
- Total = 7968 + 796.
- 8 + 6 = 14 -> write 4, carry 1
- 6 + 9 + 1 = 16 -> write 6, carry 1
- 9 + 7 + 1 = 17 -> write 7, carry 1
- 7 + 0 + 1 = 8 -> write 8
- written: 4 6 7 8 -> answer 8764
- Change = 10000 - 8764.
- 10000 - 8764
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 7 = 2, write 2
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 6 3 2 1 0 -> answer 1236
Answer: $12.36


Question: You get $20.00 allowance, spend $13.00 on lunch and $5.53 on a gift, then buy a $10.15 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1300.
- 2000 - 1300
- ones: 0 - 0 = 0, write 0
- tens: 0 - 0 = 0, write 0
- hundreds: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- thousands: 1 - 1 = 0, write 0
- written: 0 0 7 0 -> answer 700
- Second purchase: 553.
- 700 - 553
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 5 = 4, write 4
- hundreds: 6 - 5 = 1, write 1
- written: 7 4 1 -> answer 147
- The game costs 1015, which is more than 147.
Answer: not enough money


Question: 'I have read 21 pages of this 300-page book.' 'I have read 76 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 21 + 76.
- 1 + 6 = 7 -> write 7
- 2 + 7 = 9 -> write 9
- written: 7 9 -> answer 97
- Pages left = 300 - 97.
- 300 - 97
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 9 = 0, write 0
- hundreds: 2 - 0 = 2, write 2
- written: 3 0 2 -> answer 203
Answer: 203


Question: 'I have read 30 pages of this 300-page book.' 'I have read 41 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 30 + 41.
- 0 + 1 = 1 -> write 1
- 3 + 4 = 7 -> write 7
- written: 1 7 -> answer 71
- Pages left = 300 - 71.
- 300 - 71
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 7 = 2, write 2
- hundreds: 2 - 0 = 2, write 2
- written: 9 2 2 -> answer 229
Answer: 229


Question: If 4 shirts cost 36 dollars, how much do 7 shirts cost?
Let's think step by step.
- 4 cost 36 dollars, so 1 costs 9 dollars.
- 7 * 9
- 7 * 9 = 63 -> write 3, carry 6
- carry 6 -> write 6
- written: 3 6 -> answer 63
Answer: 63 dollars


Question: 'I have read 42 pages of this 250-page book.' 'I have read 43 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 42 + 43.
- 2 + 3 = 5 -> write 5
- 4 + 4 = 8 -> write 8
- written: 5 8 -> answer 85
- Pages left = 250 - 85.
- 250 - 85
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 4 - 8 can't, borrow -> 14 - 8 = 6, write 6
- hundreds: 1 - 0 = 1, write 1
- written: 5 6 1 -> answer 165
Answer: 165


Question: 'I have read 86 pages of this 250-page book.' 'I have read 67 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 86 + 67.
- 6 + 7 = 13 -> write 3, carry 1
- 8 + 6 + 1 = 15 -> write 5, carry 1
- carry 1 -> write 1
- written: 3 5 1 -> answer 153
- Pages left = 250 - 153.
- 250 - 153
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 4 - 5 can't, borrow -> 14 - 5 = 9, write 9
- hundreds: 1 - 1 = 0, write 0
- written: 7 9 0 -> answer 97
Answer: 97


Question: What is 6 ft 10 in plus 3 ft 8 in?
Let's think step by step.
- Add inches: 10 + 8 = 18.
- 18 inches is 1 foot 6 inches (12 inches in a foot).
- Feet: 6 + 3 + 1 = 10.
Answer: 10 ft 6 in


Question: If 4 shirts cost 20 dollars, how much do 9 shirts cost?
Let's think step by step.
- 4 cost 20 dollars, so 1 costs 5 dollars.
- 9 * 5
- 9 * 5 = 45 -> write 5, carry 4
- carry 4 -> write 4
- written: 5 4 -> answer 45
Answer: 45 dollars


Question: A bus leaves at 7:06. The ride takes 39 minutes and the walk home takes 14 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 39 + 14.
- 9 + 4 = 13 -> write 3, carry 1
- 3 + 1 + 1 = 5 -> write 5
- written: 3 5 -> answer 53
- Leave at 7:06. Add 53 minutes: 6 + 53 = 59 minutes.
Answer: 7:59


Question: You get $30.00 allowance, spend $9.46 on lunch and $5.60 on a gift, then buy a $17.11 game. How much is left?
Let's think step by step.
- Allowance in cents: 3000. First purchase: 946.
- 3000 - 946
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 4 = 5, write 5
- hundreds: 9 - 9 = 0, write 0
- thousands: 2 - 0 = 2, write 2
- written: 4 5 0 2 -> answer 2054
- Second purchase: 560.
- 2054 - 560
- ones: 4 - 0 = 4, write 4
- tens: 5 - 6 can't, borrow -> 15 - 6 = 9, write 9
- hundreds: 9 - 5 = 4, write 4
- thousands: 1 - 0 = 1, write 1
- written: 4 9 4 1 -> answer 1494
- The game costs 1711, which is more than 1494.
Answer: not enough money


Question: Dinner costs $41.80. You add a 15% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 4180 cents.
- 10% = 418; half of that is 209; tip = 418 + 209 = 627.
- Total = 4180 + 627.
- 0 + 7 = 7 -> write 7
- 8 + 2 = 10 -> write 0, carry 1
- 1 + 6 + 1 = 8 -> write 8
- 4 + 0 = 4 -> write 4
- written: 7 0 8 4 -> answer 4807
- Change = 6000 - 4807.
- 6000 - 4807
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 0 = 9, write 9
- hundreds: 9 - 8 = 1, write 1
- thousands: 5 - 4 = 1, write 1
- written: 3 9 1 1 -> answer 1193
Answer: $11.93


Question: Class A collected 780 cans and class B collected 638 cans. How many more did class A collect?
Let's think step by step.
- Difference = 780 - 638.
- 780 - 638
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 7 - 3 = 4, write 4
- hundreds: 7 - 6 = 1, write 1
- written: 2 4 1 -> answer 142
Answer: 142


Question: 'I have read 78 pages of this 350-page book.' 'I have read 48 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 78 + 48.
- 8 + 8 = 16 -> write 6, carry 1
- 7 + 4 + 1 = 12 -> write 2, carry 1
- carry 1 -> write 1
- written: 6 2 1 -> answer 126
- Pages left = 350 - 126.
- 350 - 126
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 4 - 2 = 2, write 2
- hundreds: 3 - 1 = 2, write 2
- written: 4 2 2 -> answer 224
Answer: 224


Question: What is 2 ft 6 in plus 4 ft 7 in?
Let's think step by step.
- Add inches: 6 + 7 = 13.
- 13 inches is 1 foot 1 inches (12 inches in a foot).
- Feet: 2 + 4 + 1 = 7.
Answer: 7 ft 1 in


Question: Class A collected 419 cans and class B collected 304 cans. How many more did class A collect?
Let's think step by step.
- Difference = 419 - 304.
- 419 - 304
- ones: 9 - 4 = 5, write 5
- tens: 1 - 0 = 1, write 1
- hundreds: 4 - 3 = 1, write 1
- written: 5 1 1 -> answer 115
Answer: 115


Question: A bus leaves at 7:17. The ride takes 27 minutes and the walk home takes 5 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 27 + 5.
- 7 + 5 = 12 -> write 2, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 2 3 -> answer 32
- Leave at 7:17. Add 32 minutes: 17 + 32 = 49 minutes.
Answer: 7:49


Question: Dinner costs $65.79. You add a 10% tip and pay $90.00. How much change?
Let's think step by step.
- Bill is 6579 cents.
- 10% tip = 6579 / 10 = 657.
- Total = 6579 + 657.
- 9 + 7 = 16 -> write 6, carry 1
- 7 + 5 + 1 = 13 -> write 3, carry 1
- 5 + 6 + 1 = 12 -> write 2, carry 1
- 6 + 0 + 1 = 7 -> write 7
- written: 6 3 2 7 -> answer 7236
- Change = 9000 - 7236.
- 9000 - 7236
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 2 = 7, write 7
- thousands: 8 - 7 = 1, write 1
- written: 4 6 7 1 -> answer 1764
Answer: $17.64


Question: 'I have read 33 pages of this 250-page book.' 'I have read 69 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 33 + 69.
- 3 + 9 = 12 -> write 2, carry 1
- 3 + 6 + 1 = 10 -> write 0, carry 1
- carry 1 -> write 1
- written: 2 0 1 -> answer 102
- Pages left = 250 - 102.
- 250 - 102
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 4 - 0 = 4, write 4
- hundreds: 2 - 1 = 1, write 1
- written: 8 4 1 -> answer 148
Answer: 148


Question: A bus leaves at 7:10. The ride takes 26 minutes and the walk home takes 7 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 26 + 7.
- 6 + 7 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 7:10. Add 33 minutes: 10 + 33 = 43 minutes.
Answer: 7:43


Question: A bus leaves at 8:25. The ride takes 30 minutes and the walk home takes 15 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 30 + 15.
- 0 + 5 = 5 -> write 5
- 3 + 1 = 4 -> write 4
- written: 5 4 -> answer 45
- Leave at 8:25. Add 45 minutes: 25 + 45 = 70 minutes.
- 70 is more than 60, so subtract 60: 70 - 60 = 10, and add 1 hour: 8 + 1 = 9.
Answer: 9:10


Question: 'I have read 64 pages of this 350-page book.' 'I have read 69 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 64 + 69.
- 4 + 9 = 13 -> write 3, carry 1
- 6 + 6 + 1 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 3 3 1 -> answer 133
- Pages left = 350 - 133.
- 350 - 133
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 4 - 3 = 1, write 1
- hundreds: 3 - 1 = 2, write 2
- written: 7 1 2 -> answer 217
Answer: 217


Question: A bus leaves at 10:25. The ride takes 25 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 8.
- 5 + 8 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 10:25. Add 33 minutes: 25 + 33 = 58 minutes.
Answer: 10:58


Question: You get $20.00 allowance, spend $11.05 on lunch and $5.03 on a gift, then buy a $14.08 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1105.
- 2000 - 1105
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 0 = 9, write 9
- hundreds: 9 - 1 = 8, write 8
- thousands: 1 - 1 = 0, write 0
- written: 5 9 8 0 -> answer 895
- Second purchase: 503.
- 895 - 503
- ones: 5 - 3 = 2, write 2
- tens: 9 - 0 = 9, write 9
- hundreds: 8 - 5 = 3, write 3
- written: 2 9 3 -> answer 392
- The game costs 1408, which is more than 392.
Answer: not enough money


Question: A bus leaves at 9:01. The ride takes 25 minutes and the walk home takes 5 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 5.
- 5 + 5 = 10 -> write 0, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 0 3 -> answer 30
- Leave at 9:01. Add 30 minutes: 1 + 30 = 31 minutes.
Answer: 9:31


Question: A bus leaves at 8:17. The ride takes 25 minutes and the walk home takes 7 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 7.
- 5 + 7 = 12 -> write 2, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 2 3 -> answer 32
- Leave at 8:17. Add 32 minutes: 17 + 32 = 49 minutes.
Answer: 8:49


Question: A bus leaves at 9:36. The ride takes 25 minutes and the walk home takes 11 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 11.
- 5 + 1 = 6 -> write 6
- 2 + 1 = 3 -> write 3
- written: 6 3 -> answer 36
- Leave at 9:36. Add 36 minutes: 36 + 36 = 72 minutes.
- 72 is more than 60, so subtract 60: 72 - 60 = 12, and add 1 hour: 9 + 1 = 10.
Answer: 10:12


Question: A garden is 9 meters by 12 meters. Fencing costs $4 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 9 + 12 + 9 + 12.
- 9 + 2 = 11 -> write 1, carry 1
- 0 + 1 + 1 = 2 -> write 2
- written: 1 2 -> answer 21
- 1 + 1 = 2 -> write 2
- 2 + 2 = 4 -> write 4
- written: 2 4 -> answer 42
- Fence cost = 42 * 4.
- 42 * 4
- 2 * 4 = 8 -> write 8
- 4 * 4 = 16 -> write 6, carry 1
- carry 1 -> write 1
- written: 8 6 1 -> answer 168
Answer: $168


Question: Dinner costs $42.65. You add a 10% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 4265 cents.
- 10% tip = 4265 / 10 = 426.
- Total = 4265 + 426.
- 5 + 6 = 11 -> write 1, carry 1
- 6 + 2 + 1 = 9 -> write 9
- 2 + 4 = 6 -> write 6
- 4 + 0 = 4 -> write 4
- written: 1 9 6 4 -> answer 4691
- Change = 6000 - 4691.
- 6000 - 4691
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 6 = 3, write 3
- thousands: 5 - 4 = 1, write 1
- written: 9 0 3 1 -> answer 1309
Answer: $13.09


Question: A bus leaves at 7:37. The ride takes 39 minutes and the walk home takes 6 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 39 + 6.
- 9 + 6 = 15 -> write 5, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 5 4 -> answer 45
- Leave at 7:37. Add 45 minutes: 37 + 45 = 82 minutes.
- 82 is more than 60, so subtract 60: 82 - 60 = 22, and add 1 hour: 7 + 1 = 8.
Answer: 8:22


Question: Dinner costs $22.47. You add a 15% tip and pay $40.00. How much change?
Let's think step by step.
- Bill is 2247 cents.
- 10% = 224; half of that is 112; tip = 224 + 112 = 336.
- Total = 2247 + 336.
- 7 + 6 = 13 -> write 3, carry 1
- 4 + 3 + 1 = 8 -> write 8
- 2 + 3 = 5 -> write 5
- 2 + 0 = 2 -> write 2
- written: 3 8 5 2 -> answer 2583
- Change = 4000 - 2583.
- 4000 - 2583
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 8 = 1, write 1
- hundreds: 9 - 5 = 4, write 4
- thousands: 3 - 2 = 1, write 1
- written: 7 1 4 1 -> answer 1417
Answer: $14.17


Question: Class A collected 876 cans and class B collected 497 cans. How many more did class A collect?
Let's think step by step.
- Difference = 876 - 497.
- 876 - 497
- ones: 6 - 7 can't, borrow -> 16 - 7 = 9, write 9
- tens: 6 - 9 can't, borrow -> 16 - 9 = 7, write 7
- hundreds: 7 - 4 = 3, write 3
- written: 9 7 3 -> answer 379
Answer: 379


Question: Class A collected 665 cans and class B collected 369 cans. How many more did class A collect?
Let's think step by step.
- Difference = 665 - 369.
- 665 - 369
- ones: 5 - 9 can't, borrow -> 15 - 9 = 6, write 6
- tens: 5 - 6 can't, borrow -> 15 - 6 = 9, write 9
- hundreds: 5 - 3 = 2, write 2
- written: 6 9 2 -> answer 296
Answer: 296


Question: Class A collected 683 cans and class B collected 109 cans. How many more did class A collect?
Let's think step by step.
- Difference = 683 - 109.
- 683 - 109
- ones: 3 - 9 can't, borrow -> 13 - 9 = 4, write 4
- tens: 7 - 0 = 7, write 7
- hundreds: 6 - 1 = 5, write 5
- written: 4 7 5 -> answer 574
Answer: 574


Question: 'I have read 30 pages of this 200-page book.' 'I have read 30 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 30 + 30.
- 0 + 0 = 0 -> write 0
- 3 + 3 = 6 -> write 6
- written: 0 6 -> answer 60
- Pages left = 200 - 60.
- 200 - 60
- ones: 0 - 0 = 0, write 0
- tens: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- hundreds: 1 - 0 = 1, write 1
- written: 0 4 1 -> answer 140
Answer: 140


Question: Dinner costs $21.79. You add a 10% tip and pay $40.00. How much change?
Let's think step by step.
- Bill is 2179 cents.
- 10% tip = 2179 / 10 = 217.
- Total = 2179 + 217.
- 9 + 7 = 16 -> write 6, carry 1
- 7 + 1 + 1 = 9 -> write 9
- 1 + 2 = 3 -> write 3
- 2 + 0 = 2 -> write 2
- written: 6 9 3 2 -> answer 2396
- Change = 4000 - 2396.
- 4000 - 2396
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 3 = 6, write 6
- thousands: 3 - 2 = 1, write 1
- written: 4 0 6 1 -> answer 1604
Answer: $16.04


Question: A bus leaves at 8:14. The ride takes 25 minutes and the walk home takes 9 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 9.
- 5 + 9 = 14 -> write 4, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 4 3 -> answer 34
- Leave at 8:14. Add 34 minutes: 14 + 34 = 48 minutes.
Answer: 8:48


Question: 'I have read 22 pages of this 300-page book.' 'I have read 54 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 22 + 54.
- 2 + 4 = 6 -> write 6
- 2 + 5 = 7 -> write 7
- written: 6 7 -> answer 76
- Pages left = 300 - 76.
- 300 - 76
- ones: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- tens: 9 - 7 = 2, write 2
- hundreds: 2 - 0 = 2, write 2
- written: 4 2 2 -> answer 224
Answer: 224


Question: Class A collected 882 cans and class B collected 132 cans. How many more did class A collect?
Let's think step by step.
- Difference = 882 - 132.
- 882 - 132
- ones: 2 - 2 = 0, write 0
- tens: 8 - 3 = 5, write 5
- hundreds: 8 - 1 = 7, write 7
- written: 0 5 7 -> answer 750
Answer: 750


Question: Dinner costs $80.80. You add a 10% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 8080 cents.
- 10% tip = 8080 / 10 = 808.
- Total = 8080 + 808.
- 0 + 8 = 8 -> write 8
- 8 + 0 = 8 -> write 8
- 0 + 8 = 8 -> write 8
- 8 + 0 = 8 -> write 8
- written: 8 8 8 8 -> answer 8888
- Change = 10000 - 8888.
- 10000 - 8888
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 8 = 1, write 1
- hundreds: 9 - 8 = 1, write 1
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 2 1 1 1 0 -> answer 1112
Answer: $11.12


Question: Class A collected 566 cans and class B collected 269 cans. How many more did class A collect?
Let's think step by step.
- Difference = 566 - 269.
- 566 - 269
- ones: 6 - 9 can't, borrow -> 16 - 9 = 7, write 7
- tens: 5 - 6 can't, borrow -> 15 - 6 = 9, write 9
- hundreds: 4 - 2 = 2, write 2
- written: 7 9 2 -> answer 297
Answer: 297


Question: A bus leaves at 8:06. The ride takes 30 minutes and the walk home takes 9 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 30 + 9.
- 0 + 9 = 9 -> write 9
- 3 + 0 = 3 -> write 3
- written: 9 3 -> answer 39
- Leave at 8:06. Add 39 minutes: 6 + 39 = 45 minutes.
Answer: 8:45


Question: 'I have read 50 pages of this 300-page book.' 'I have read 75 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 50 + 75.
- 0 + 5 = 5 -> write 5
- 5 + 7 = 12 -> write 2, carry 1
- carry 1 -> write 1
- written: 5 2 1 -> answer 125
- Pages left = 300 - 125.
- 300 - 125
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 2 = 7, write 7
- hundreds: 2 - 1 = 1, write 1
- written: 5 7 1 -> answer 175
Answer: 175


Question: A bus leaves at 9:01. The ride takes 33 minutes and the walk home takes 14 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 33 + 14.
- 3 + 4 = 7 -> write 7
- 3 + 1 = 4 -> write 4
- written: 7 4 -> answer 47
- Leave at 9:01. Add 47 minutes: 1 + 47 = 48 minutes.
Answer: 9:48


Question: Dinner costs $54.54. You add a 15% tip and pay $80.00. How much change?
Let's think step by step.
- Bill is 5454 cents.
- 10% = 545; half of that is 272; tip = 545 + 272 = 817.
- Total = 5454 + 817.
- 4 + 7 = 11 -> write 1, carry 1
- 5 + 1 + 1 = 7 -> write 7
- 4 + 8 = 12 -> write 2, carry 1
- 5 + 0 + 1 = 6 -> write 6
- written: 1 7 2 6 -> answer 6271
- Change = 8000 - 6271.
- 8000 - 6271
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 2 = 7, write 7
- thousands: 7 - 6 = 1, write 1
- written: 9 2 7 1 -> answer 1729
Answer: $17.29


Question: A garden is 8 meters by 5 meters. Fencing costs $2 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 8 + 5 + 8 + 5.
- 8 + 5 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 3 1 -> answer 13
- 3 + 3 = 6 -> write 6
- 1 + 1 = 2 -> write 2
- written: 6 2 -> answer 26
- Fence cost = 26 * 2.
- 26 * 2
- 6 * 2 = 12 -> write 2, carry 1
- 2 * 2 + 1 = 5 -> write 5
- written: 2 5 -> answer 52
Answer: $52


Question: Dinner costs $59.35. You add a 15% tip and pay $80.00. How much change?
Let's think step by step.
- Bill is 5935 cents.
- 10% = 593; half of that is 296; tip = 593 + 296 = 889.
- Total = 5935 + 889.
- 5 + 9 = 14 -> write 4, carry 1
- 3 + 8 + 1 = 12 -> write 2, carry 1
- 9 + 8 + 1 = 18 -> write 8, carry 1
- 5 + 0 + 1 = 6 -> write 6
- written: 4 2 8 6 -> answer 6824
- Change = 8000 - 6824.
- 8000 - 6824
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 8 = 1, write 1
- thousands: 7 - 6 = 1, write 1
- written: 6 7 1 1 -> answer 1176
Answer: $11.76


Question: 'I have read 58 pages of this 250-page book.' 'I have read 74 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 58 + 74.
- 8 + 4 = 12 -> write 2, carry 1
- 5 + 7 + 1 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 2 3 1 -> answer 132
- Pages left = 250 - 132.
- 250 - 132
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 4 - 3 = 1, write 1
- hundreds: 2 - 1 = 1, write 1
- written: 8 1 1 -> answer 118
Answer: 118


Question: Dinner costs $35.51. You add a 15% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 3551 cents.
- 10% = 355; half of that is 177; tip = 355 + 177 = 532.
- Total = 3551 + 532.
- 1 + 2 = 3 -> write 3
- 5 + 3 = 8 -> write 8
- 5 + 5 = 10 -> write 0, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 3 8 0 4 -> answer 4083
- Change = 6000 - 4083.
- 6000 - 4083
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 8 = 1, write 1
- hundreds: 9 - 0 = 9, write 9
- thousands: 5 - 4 = 1, write 1
- written: 7 1 9 1 -> answer 1917
Answer: $19.17


Question: Class A collected 794 cans and class B collected 443 cans. How many more did class A collect?
Let's think step by step.
- Difference = 794 - 443.
- 794 - 443
- ones: 4 - 3 = 1, write 1
- tens: 9 - 4 = 5, write 5
- hundreds: 7 - 4 = 3, write 3
- written: 1 5 3 -> answer 351
Answer: 351


Question: 'I have read 77 pages of this 300-page book.' 'I have read 70 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 77 + 70.
- 7 + 0 = 7 -> write 7
- 7 + 7 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 7 4 1 -> answer 147
- Pages left = 300 - 147.
- 300 - 147
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 4 = 5, write 5
- hundreds: 2 - 1 = 1, write 1
- written: 3 5 1 -> answer 153
Answer: 153


Question: A car drives 58 miles per hour for 3 hours. How far does it travel?
Let's think step by step.
- Distance = speed * time = 58 * 3.
- 58 * 3
- 8 * 3 = 24 -> write 4, carry 2
- 5 * 3 + 2 = 17 -> write 7, carry 1
- carry 1 -> write 1
- written: 4 7 1 -> answer 174
Answer: 174 miles


Question: Dinner costs $41.10. You add a 10% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 4110 cents.
- 10% tip = 4110 / 10 = 411.
- Total = 4110 + 411.
- 0 + 1 = 1 -> write 1
- 1 + 1 = 2 -> write 2
- 1 + 4 = 5 -> write 5
- 4 + 0 = 4 -> write 4
- written: 1 2 5 4 -> answer 4521
- Change = 6000 - 4521.
- 6000 - 4521
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 5 = 4, write 4
- thousands: 5 - 4 = 1, write 1
- written: 9 7 4 1 -> answer 1479
Answer: $14.79


Question: What is 2 ft 6 in plus 1 ft 6 in?
Let's think step by step.
- Add inches: 6 + 6 = 12.
- 12 inches is 1 foot 0 inches (12 inches in a foot).
- Feet: 2 + 1 + 1 = 4.
Answer: 4 ft 0 in


Question: A car drives 48 miles per hour for 3 hours. How far does it travel?
Let's think step by step.
- Distance = speed * time = 48 * 3.
- 48 * 3
- 8 * 3 = 24 -> write 4, carry 2
- 4 * 3 + 2 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 4 4 1 -> answer 144
Answer: 144 miles


Question: A bus leaves at 9:40. The ride takes 39 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 39 + 8.
- 9 + 8 = 17 -> write 7, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 7 4 -> answer 47
- Leave at 9:40. Add 47 minutes: 40 + 47 = 87 minutes.
- 87 is more than 60, so subtract 60: 87 - 60 = 27, and add 1 hour: 9 + 1 = 10.
Answer: 10:27


Question: Class A collected 746 cans and class B collected 740 cans. How many more did class A collect?
Let's think step by step.
- Difference = 746 - 740.
- 746 - 740
- ones: 6 - 0 = 6, write 6
- tens: 4 - 4 = 0, write 0
- hundreds: 7 - 7 = 0, write 0
- written: 6 0 0 -> answer 6
Answer: 6


Question: A garden is 7 meters by 7 meters. Fencing costs $4 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 7 + 7 + 7 + 7.
- 7 + 7 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 4 1 -> answer 14
- 4 + 4 = 8 -> write 8
- 1 + 1 = 2 -> write 2
- written: 8 2 -> answer 28
- Fence cost = 28 * 4.
- 28 * 4
- 8 * 4 = 32 -> write 2, carry 3
- 2 * 4 + 3 = 11 -> write 1, carry 1
- carry 1 -> write 1
- written: 2 1 1 -> answer 112
Answer: $112


Question: Class A collected 795 cans and class B collected 326 cans. How many more did class A collect?
Let's think step by step.
- Difference = 795 - 326.
- 795 - 326
- ones: 5 - 6 can't, borrow -> 15 - 6 = 9, write 9
- tens: 8 - 2 = 6, write 6
- hundreds: 7 - 3 = 4, write 4
- written: 9 6 4 -> answer 469
Answer: 469


Question: A garden is 10 meters by 7 meters. Fencing costs $3 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 10 + 7 + 10 + 7.
- 0 + 7 = 7 -> write 7
- 1 + 0 = 1 -> write 1
- written: 7 1 -> answer 17
- 7 + 7 = 14 -> write 4, carry 1
- 1 + 1 + 1 = 3 -> write 3
- written: 4 3 -> answer 34
- Fence cost = 34 * 3.
- 34 * 3
- 4 * 3 = 12 -> write 2, carry 1
- 3 * 3 + 1 = 10 -> write 0, carry 1
- carry 1 -> write 1
- written: 2 0 1 -> answer 102
Answer: $102


Question: A garden is 5 meters by 9 meters. Fencing costs $3 per meter. How much to fence it?
Let's think step by step.
- Perimeter = 5 + 9 + 5 + 9.
- 5 + 9 = 14 -> write 4, carry 1
- carry 1 -> write 1
- written: 4 1 -> answer 14
- 4 + 4 = 8 -> write 8
- 1 + 1 = 2 -> write 2
- written: 8 2 -> answer 28
- Fence cost = 28 * 3.
- 28 * 3
- 8 * 3 = 24 -> write 4, carry 2
- 2 * 3 + 2 = 8 -> write 8
- written: 4 8 -> answer 84
Answer: $84


Question: A bus leaves at 7:32. The ride takes 25 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 8.
- 5 + 8 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 7:32. Add 33 minutes: 32 + 33 = 65 minutes.
- 65 is more than 60, so subtract 60: 65 - 60 = 5, and add 1 hour: 7 + 1 = 8.
Answer: 8:05


Question: What is 4 ft 10 in plus 4 ft 4 in?
Let's think step by step.
- Add inches: 10 + 4 = 14.
- 14 inches is 1 foot 2 inches (12 inches in a foot).
- Feet: 4 + 4 + 1 = 9.
Answer: 9 ft 2 in


Question: A bus leaves at 7:42. The ride takes 39 minutes and the walk home takes 12 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 39 + 12.
- 9 + 2 = 11 -> write 1, carry 1
- 3 + 1 + 1 = 5 -> write 5
- written: 1 5 -> answer 51
- Leave at 7:42. Add 51 minutes: 42 + 51 = 93 minutes.
- 93 is more than 60, so subtract 60: 93 - 60 = 33, and add 1 hour: 7 + 1 = 8.
Answer: 8:33


Question: If 4 shirts cost 16 dollars, how much do 4 shirts cost?
Let's think step by step.
- 4 cost 16 dollars, so 1 costs 4 dollars.
- 4 * 4
- 4 * 4 = 16 -> write 6, carry 1
- carry 1 -> write 1
- written: 6 1 -> answer 16
Answer: 16 dollars


Question: Dinner costs $52.25. You add a 10% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 5225 cents.
- 10% tip = 5225 / 10 = 522.
- Total = 5225 + 522.
- 5 + 2 = 7 -> write 7
- 2 + 2 = 4 -> write 4
- 2 + 5 = 7 -> write 7
- 5 + 0 = 5 -> write 5
- written: 7 4 7 5 -> answer 5747
- Change = 7000 - 5747.
- 7000 - 5747
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 4 = 5, write 5
- hundreds: 9 - 7 = 2, write 2
- thousands: 6 - 5 = 1, write 1
- written: 3 5 2 1 -> answer 1253
Answer: $12.53


Question: Class A collected 854 cans and class B collected 645 cans. How many more did class A collect?
Let's think step by step.
- Difference = 854 - 645.
- 854 - 645
- ones: 4 - 5 can't, borrow -> 14 - 5 = 9, write 9
- tens: 4 - 4 = 0, write 0
- hundreds: 8 - 6 = 2, write 2
- written: 9 0 2 -> answer 209
Answer: 209


Question: A car drives 43 miles per hour for 3 hours. How far does it travel?
Let's think step by step.
- Distance = speed * time = 43 * 3.
- 43 * 3
- 3 * 3 = 9 -> write 9
- 4 * 3 = 12 -> write 2, carry 1
- carry 1 -> write 1
- written: 9 2 1 -> answer 129
Answer: 129 miles


Question: What is 3 ft 7 in plus 2 ft 2 in?
Let's think step by step.
- Add inches: 7 + 2 = 9.
- Feet: 3 + 2 + 0 = 5.
Answer: 5 ft 9 in


Question: Class A collected 342 cans and class B collected 140 cans. How many more did class A collect?
Let's think step by step.
- Difference = 342 - 140.
- 342 - 140
- ones: 2 - 0 = 2, write 2
- tens: 4 - 4 = 0, write 0
- hundreds: 3 - 1 = 2, write 2
- written: 2 0 2 -> answer 202
Answer: 202


Question: You have 43 cookies and pack them 9 per bag. How many full bags, and how many cookies are left over?
Let's think step by step.
- Keep subtracting 9 until too little remains.
- 43 - 9
- ones: 3 - 9 can't, borrow -> 13 - 9 = 4, write 4
- tens: 3 - 0 = 3, write 3
- written: 4 3 -> answer 34
- 34 - 9
- ones: 4 - 9 can't, borrow -> 14 - 9 = 5, write 5
- tens: 2 - 0 = 2, write 2
- written: 5 2 -> answer 25
- 25 - 9
- ones: 5 - 9 can't, borrow -> 15 - 9 = 6, write 6
- tens: 1 - 0 = 1, write 1
- written: 6 1 -> answer 16
- 16 - 9
- ones: 6 - 9 can't, borrow -> 16 - 9 = 7, write 7
- tens: 0 - 0 = 0, write 0
- written: 7 0 -> answer 7
- Subtracted 9 exactly 4 times; 7 left, which is less than 9.
Answer: 4 bags, 7 leftover


Question: Class A collected 465 cans and class B collected 168 cans. How many more did class A collect?
Let's think step by step.
- Difference = 465 - 168.
- 465 - 168
- ones: 5 - 8 can't, borrow -> 15 - 8 = 7, write 7
- tens: 5 - 6 can't, borrow -> 15 - 6 = 9, write 9
- hundreds: 3 - 1 = 2, write 2
- written: 7 9 2 -> answer 297
Answer: 297


Question: A bus leaves at 8:19. The ride takes 31 minutes and the walk home takes 12 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 31 + 12.
- 1 + 2 = 3 -> write 3
- 3 + 1 = 4 -> write 4
- written: 3 4 -> answer 43
- Leave at 8:19. Add 43 minutes: 19 + 43 = 62 minutes.
- 62 is more than 60, so subtract 60: 62 - 60 = 2, and add 1 hour: 8 + 1 = 9.
Answer: 9:02


Question: Class A collected 889 cans and class B collected 603 cans. How many more did class A collect?
Let's think step by step.
- Difference = 889 - 603.
- 889 - 603
- ones: 9 - 3 = 6, write 6
- tens: 8 - 0 = 8, write 8
- hundreds: 8 - 6 = 2, write 2
- written: 6 8 2 -> answer 286
Answer: 286


Question: Dinner costs $56.17. You add a 15% tip and pay $80.00. How much change?
Let's think step by step.
- Bill is 5617 cents.
- 10% = 561; half of that is 280; tip = 561 + 280 = 841.
- Total = 5617 + 841.
- 7 + 1 = 8 -> write 8
- 1 + 4 = 5 -> write 5
- 6 + 8 = 14 -> write 4, carry 1
- 5 + 0 + 1 = 6 -> write 6
- written: 8 5 4 6 -> answer 6458
- Change = 8000 - 6458.
- 8000 - 6458
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 5 = 4, write 4
- hundreds: 9 - 4 = 5, write 5
- thousands: 7 - 6 = 1, write 1
- written: 2 4 5 1 -> answer 1542
Answer: $15.42


Question: Class A collected 643 cans and class B collected 144 cans. How many more did class A collect?
Let's think step by step.
- Difference = 643 - 144.
- 643 - 144
- ones: 3 - 4 can't, borrow -> 13 - 4 = 9, write 9
- tens: 3 - 4 can't, borrow -> 13 - 4 = 9, write 9
- hundreds: 5 - 1 = 4, write 4
- written: 9 9 4 -> answer 499
Answer: 499


Question: A bus leaves at 9:13. The ride takes 35 minutes and the walk home takes 14 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 35 + 14.
- 5 + 4 = 9 -> write 9
- 3 + 1 = 4 -> write 4
- written: 9 4 -> answer 49
- Leave at 9:13. Add 49 minutes: 13 + 49 = 62 minutes.
- 62 is more than 60, so subtract 60: 62 - 60 = 2, and add 1 hour: 9 + 1 = 10.
Answer: 10:02


Question: What is 5 ft 11 in plus 3 ft 6 in?
Let's think step by step.
- Add inches: 11 + 6 = 17.
- 17 inches is 1 foot 5 inches (12 inches in a foot).
- Feet: 5 + 3 + 1 = 9.
Answer: 9 ft 5 in


Question: You get $20.00 allowance, spend $13.93 on lunch and $4.52 on a gift, then buy a $13.95 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1393.
- 2000 - 1393
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 3 = 6, write 6
- thousands: 1 - 1 = 0, write 0
- written: 7 0 6 0 -> answer 607
- Second purchase: 452.
- 607 - 452
- ones: 7 - 2 = 5, write 5
- tens: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- hundreds: 5 - 4 = 1, write 1
- written: 5 5 1 -> answer 155
- The game costs 1395, which is more than 155.
Answer: not enough money


Question: 'I have read 53 pages of this 300-page book.' 'I have read 56 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 53 + 56.
- 3 + 6 = 9 -> write 9
- 5 + 5 = 10 -> write 0, carry 1
- carry 1 -> write 1
- written: 9 0 1 -> answer 109
- Pages left = 300 - 109.
- 300 - 109
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 0 = 9, write 9
- hundreds: 2 - 1 = 1, write 1
- written: 1 9 1 -> answer 191
Answer: 191


Question: Dinner costs $49.86. You add a 15% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 4986 cents.
- 10% = 498; half of that is 249; tip = 498 + 249 = 747.
- Total = 4986 + 747.
- 6 + 7 = 13 -> write 3, carry 1
- 8 + 4 + 1 = 13 -> write 3, carry 1
- 9 + 7 + 1 = 17 -> write 7, carry 1
- 4 + 0 + 1 = 5 -> write 5
- written: 3 3 7 5 -> answer 5733
- Change = 7000 - 5733.
- 7000 - 5733
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 7 = 2, write 2
- thousands: 6 - 5 = 1, write 1
- written: 7 6 2 1 -> answer 1267
Answer: $12.67


Question: You get $30.00 allowance, spend $14.59 on lunch and $2.95 on a gift, then buy a $15.89 game. How much is left?
Let's think step by step.
- Allowance in cents: 3000. First purchase: 1459.
- 3000 - 1459
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 5 = 4, write 4
- hundreds: 9 - 4 = 5, write 5
- thousands: 2 - 1 = 1, write 1
- written: 1 4 5 1 -> answer 1541
- Second purchase: 295.
- 1541 - 295
- ones: 1 - 5 can't, borrow -> 11 - 5 = 6, write 6
- tens: 3 - 9 can't, borrow -> 13 - 9 = 4, write 4
- hundreds: 4 - 2 = 2, write 2
- thousands: 1 - 0 = 1, write 1
- written: 6 4 2 1 -> answer 1246
- The game costs 1589, which is more than 1246.
Answer: not enough money


Question: Dinner costs $76.58. You add a 15% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 7658 cents.
- 10% = 765; half of that is 382; tip = 765 + 382 = 1147.
- Total = 7658 + 1147.
- 8 + 7 = 15 -> write 5, carry 1
- 5 + 4 + 1 = 10 -> write 0, carry 1
- 6 + 1 + 1 = 8 -> write 8
- 7 + 1 = 8 -> write 8
- written: 5 0 8 8 -> answer 8805
- Change = 10000 - 8805.
- 10000 - 8805
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 0 = 9, write 9
- hundreds: 9 - 8 = 1, write 1
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 5 9 1 1 0 -> answer 1195
Answer: $11.95


Question: 'I have read 30 pages of this 200-page book.' 'I have read 59 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 30 + 59.
- 0 + 9 = 9 -> write 9
- 3 + 5 = 8 -> write 8
- written: 9 8 -> answer 89
- Pages left = 200 - 89.
- 200 - 89
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 8 = 1, write 1
- hundreds: 1 - 0 = 1, write 1
- written: 1 1 1 -> answer 111
Answer: 111


Question: Class A collected 874 cans and class B collected 760 cans. How many more did class A collect?
Let's think step by step.
- Difference = 874 - 760.
- 874 - 760
- ones: 4 - 0 = 4, write 4
- tens: 7 - 6 = 1, write 1
- hundreds: 8 - 7 = 1, write 1
- written: 4 1 1 -> answer 114
Answer: 114


Question: If 2 shirts cost 18 dollars, how much do 3 shirts cost?
Let's think step by step.
- 2 cost 18 dollars, so 1 costs 9 dollars.
- 3 * 9
- 3 * 9 = 27 -> write 7, carry 2
- carry 2 -> write 2
- written: 7 2 -> answer 27
Answer: 27 dollars


Question: Dinner costs $70.17. You add a 10% tip and pay $90.00. How much change?
Let's think step by step.
- Bill is 7017 cents.
- 10% tip = 7017 / 10 = 701.
- Total = 7017 + 701.
- 7 + 1 = 8 -> write 8
- 1 + 0 = 1 -> write 1
- 0 + 7 = 7 -> write 7
- 7 + 0 = 7 -> write 7
- written: 8 1 7 7 -> answer 7718
- Change = 9000 - 7718.
- 9000 - 7718
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 7 = 2, write 2
- thousands: 8 - 7 = 1, write 1
- written: 2 8 2 1 -> answer 1282
Answer: $12.82


Question: 'I have read 75 pages of this 250-page book.' 'I have read 22 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 75 + 22.
- 5 + 2 = 7 -> write 7
- 7 + 2 = 9 -> write 9
- written: 7 9 -> answer 97
- Pages left = 250 - 97.
- 250 - 97
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 4 - 9 can't, borrow -> 14 - 9 = 5, write 5
- hundreds: 1 - 0 = 1, write 1
- written: 3 5 1 -> answer 153
Answer: 153


Question: Class A collected 219 cans and class B collected 175 cans. How many more did class A collect?
Let's think step by step.
- Difference = 219 - 175.
- 219 - 175
- ones: 9 - 5 = 4, write 4
- tens: 1 - 7 can't, borrow -> 11 - 7 = 4, write 4
- hundreds: 1 - 1 = 0, write 0
- written: 4 4 0 -> answer 44
Answer: 44


Question: A bus leaves at 7:28. The ride takes 31 minutes and the walk home takes 7 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 31 + 7.
- 1 + 7 = 8 -> write 8
- 3 + 0 = 3 -> write 3
- written: 8 3 -> answer 38
- Leave at 7:28. Add 38 minutes: 28 + 38 = 66 minutes.
- 66 is more than 60, so subtract 60: 66 - 60 = 6, and add 1 hour: 7 + 1 = 8.
Answer: 8:06


Question: You get $20.00 allowance, spend $9.18 on lunch and $7.96 on a gift, then buy a $6.00 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 918.
- 2000 - 918
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 9 = 0, write 0
- thousands: 1 - 0 = 1, write 1
- written: 2 8 0 1 -> answer 1082
- Second purchase: 796.
- 1082 - 796
- ones: 2 - 6 can't, borrow -> 12 - 6 = 6, write 6
- tens: 7 - 9 can't, borrow -> 17 - 9 = 8, write 8
- hundreds: 9 - 7 = 2, write 2
- thousands: 0 - 0 = 0, write 0
- written: 6 8 2 0 -> answer 286
- The game costs 600, which is more than 286.
Answer: not enough money


Question: Dinner costs $57.94. You add a 10% tip and pay $80.00. How much change?
Let's think step by step.
- Bill is 5794 cents.
- 10% tip = 5794 / 10 = 579.
- Total = 5794 + 579.
- 4 + 9 = 13 -> write 3, carry 1
- 9 + 7 + 1 = 17 -> write 7, carry 1
- 7 + 5 + 1 = 13 -> write 3, carry 1
- 5 + 0 + 1 = 6 -> write 6
- written: 3 7 3 6 -> answer 6373
- Change = 8000 - 6373.
- 8000 - 6373
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 7 = 2, write 2
- hundreds: 9 - 3 = 6, write 6
- thousands: 7 - 6 = 1, write 1
- written: 7 2 6 1 -> answer 1627
Answer: $16.27


Question: 'I have read 24 pages of this 350-page book.' 'I have read 66 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 24 + 66.
- 4 + 6 = 10 -> write 0, carry 1
- 2 + 6 + 1 = 9 -> write 9
- written: 0 9 -> answer 90
- Pages left = 350 - 90.
- 350 - 90
- ones: 0 - 0 = 0, write 0
- tens: 5 - 9 can't, borrow -> 15 - 9 = 6, write 6
- hundreds: 2 - 0 = 2, write 2
- written: 0 6 2 -> answer 260
Answer: 260


Question: Class A collected 864 cans and class B collected 157 cans. How many more did class A collect?
Let's think step by step.
- Difference = 864 - 157.
- 864 - 157
- ones: 4 - 7 can't, borrow -> 14 - 7 = 7, write 7
- tens: 5 - 5 = 0, write 0
- hundreds: 8 - 1 = 7, write 7
- written: 7 0 7 -> answer 707
Answer: 707


Question: Dinner costs $21.70. You add a 15% tip and pay $40.00. How much change?
Let's think step by step.
- Bill is 2170 cents.
- 10% = 217; half of that is 108; tip = 217 + 108 = 325.
- Total = 2170 + 325.
- 0 + 5 = 5 -> write 5
- 7 + 2 = 9 -> write 9
- 1 + 3 = 4 -> write 4
- 2 + 0 = 2 -> write 2
- written: 5 9 4 2 -> answer 2495
- Change = 4000 - 2495.
- 4000 - 2495
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 9 = 0, write 0
- hundreds: 9 - 4 = 5, write 5
- thousands: 3 - 2 = 1, write 1
- written: 5 0 5 1 -> answer 1505
Answer: $15.05


Question: What is 6 ft 7 in plus 4 ft 7 in?
Let's think step by step.
- Add inches: 7 + 7 = 14.
- 14 inches is 1 foot 2 inches (12 inches in a foot).
- Feet: 6 + 4 + 1 = 11.
Answer: 11 ft 2 in


Question: Dinner costs $76.86. You add a 15% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 7686 cents.
- 10% = 768; half of that is 384; tip = 768 + 384 = 1152.
- Total = 7686 + 1152.
- 6 + 2 = 8 -> write 8
- 8 + 5 = 13 -> write 3, carry 1
- 6 + 1 + 1 = 8 -> write 8
- 7 + 1 = 8 -> write 8
- written: 8 3 8 8 -> answer 8838
- Change = 10000 - 8838.
- 10000 - 8838
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 8 = 1, write 1
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 2 6 1 1 0 -> answer 1162
Answer: $11.62


Question: Class A collected 900 cans and class B collected 199 cans. How many more did class A collect?
Let's think step by step.
- Difference = 900 - 199.
- 900 - 199
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 9 = 0, write 0
- hundreds: 8 - 1 = 7, write 7
- written: 1 0 7 -> answer 701
Answer: 701


Question: 'I have read 57 pages of this 200-page book.' 'I have read 77 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 57 + 77.
- 7 + 7 = 14 -> write 4, carry 1
- 5 + 7 + 1 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 4 3 1 -> answer 134
- Pages left = 200 - 134.
- 200 - 134
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 3 = 6, write 6
- hundreds: 1 - 1 = 0, write 0
- written: 6 6 0 -> answer 66
Answer: 66


Question: Dinner costs $43.66. You add a 15% tip and pay $70.00. How much change?
Let's think step by step.
- Bill is 4366 cents.
- 10% = 436; half of that is 218; tip = 436 + 218 = 654.
- Total = 4366 + 654.
- 6 + 4 = 10 -> write 0, carry 1
- 6 + 5 + 1 = 12 -> write 2, carry 1
- 3 + 6 + 1 = 10 -> write 0, carry 1
- 4 + 0 + 1 = 5 -> write 5
- written: 0 2 0 5 -> answer 5020
- Change = 7000 - 5020.
- 7000 - 5020
- ones: 0 - 0 = 0, write 0
- tens: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- hundreds: 9 - 0 = 9, write 9
- thousands: 6 - 5 = 1, write 1
- written: 0 8 9 1 -> answer 1980
Answer: $19.80


Question: What is 3 ft 4 in plus 3 ft 11 in?
Let's think step by step.
- Add inches: 4 + 11 = 15.
- 15 inches is 1 foot 3 inches (12 inches in a foot).
- Feet: 3 + 3 + 1 = 7.
Answer: 7 ft 3 in


Question: Class A collected 834 cans and class B collected 332 cans. How many more did class A collect?
Let's think step by step.
- Difference = 834 - 332.
- 834 - 332
- ones: 4 - 2 = 2, write 2
- tens: 3 - 3 = 0, write 0
- hundreds: 8 - 3 = 5, write 5
- written: 2 0 5 -> answer 502
Answer: 502


Question: Dinner costs $38.51. You add a 15% tip and pay $60.00. How much change?
Let's think step by step.
- Bill is 3851 cents.
- 10% = 385; half of that is 192; tip = 385 + 192 = 577.
- Total = 3851 + 577.
- 1 + 7 = 8 -> write 8
- 5 + 7 = 12 -> write 2, carry 1
- 8 + 5 + 1 = 14 -> write 4, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 8 2 4 4 -> answer 4428
- Change = 6000 - 4428.
- 6000 - 4428
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 4 = 5, write 5
- thousands: 5 - 4 = 1, write 1
- written: 2 7 5 1 -> answer 1572
Answer: $15.72


Question: If 4 shirts cost 16 dollars, how much do 9 shirts cost?
Let's think step by step.
- 4 cost 16 dollars, so 1 costs 4 dollars.
- 9 * 4
- 9 * 4 = 36 -> write 6, carry 3
- carry 3 -> write 3
- written: 6 3 -> answer 36
Answer: 36 dollars


Question: Class A collected 445 cans and class B collected 179 cans. How many more did class A collect?
Let's think step by step.
- Difference = 445 - 179.
- 445 - 179
- ones: 5 - 9 can't, borrow -> 15 - 9 = 6, write 6
- tens: 3 - 7 can't, borrow -> 13 - 7 = 6, write 6
- hundreds: 3 - 1 = 2, write 2
- written: 6 6 2 -> answer 266
Answer: 266


Question: A bus leaves at 9:12. The ride takes 25 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 25 + 8.
- 5 + 8 = 13 -> write 3, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 3 3 -> answer 33
- Leave at 9:12. Add 33 minutes: 12 + 33 = 45 minutes.
Answer: 9:45


Question: A bus leaves at 9:28. The ride takes 20 minutes and the walk home takes 15 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 20 + 15.
- 0 + 5 = 5 -> write 5
- 2 + 1 = 3 -> write 3
- written: 5 3 -> answer 35
- Leave at 9:28. Add 35 minutes: 28 + 35 = 63 minutes.
- 63 is more than 60, so subtract 60: 63 - 60 = 3, and add 1 hour: 9 + 1 = 10.
Answer: 10:03


Question: 'I have read 78 pages of this 350-page book.' 'I have read 87 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 78 + 87.
- 8 + 7 = 15 -> write 5, carry 1
- 7 + 8 + 1 = 16 -> write 6, carry 1
- carry 1 -> write 1
- written: 5 6 1 -> answer 165
- Pages left = 350 - 165.
- 350 - 165
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 4 - 6 can't, borrow -> 14 - 6 = 8, write 8
- hundreds: 2 - 1 = 1, write 1
- written: 5 8 1 -> answer 185
Answer: 185


Question: A bus leaves at 9:08. The ride takes 26 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 26 + 8.
- 6 + 8 = 14 -> write 4, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 4 3 -> answer 34
- Leave at 9:08. Add 34 minutes: 8 + 34 = 42 minutes.
Answer: 9:42


Question: You get $20.00 allowance, spend $14.31 on lunch and $4.62 on a gift, then buy a $6.92 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 1431.
- 2000 - 1431
- ones: 0 - 1 can't, borrow -> 10 - 1 = 9, write 9
- tens: 9 - 3 = 6, write 6
- hundreds: 9 - 4 = 5, write 5
- thousands: 1 - 1 = 0, write 0
- written: 9 6 5 0 -> answer 569
- Second purchase: 462.
- 569 - 462
- ones: 9 - 2 = 7, write 7
- tens: 6 - 6 = 0, write 0
- hundreds: 5 - 4 = 1, write 1
- written: 7 0 1 -> answer 107
- The game costs 692, which is more than 107.
Answer: not enough money


Question: Class A collected 835 cans and class B collected 308 cans. How many more did class A collect?
Let's think step by step.
- Difference = 835 - 308.
- 835 - 308
- ones: 5 - 8 can't, borrow -> 15 - 8 = 7, write 7
- tens: 2 - 0 = 2, write 2
- hundreds: 8 - 3 = 5, write 5
- written: 7 2 5 -> answer 527
Answer: 527


Question: A bus leaves at 7:14. The ride takes 30 minutes and the walk home takes 7 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 30 + 7.
- 0 + 7 = 7 -> write 7
- 3 + 0 = 3 -> write 3
- written: 7 3 -> answer 37
- Leave at 7:14. Add 37 minutes: 14 + 37 = 51 minutes.
Answer: 7:51


Question: 'I have read 25 pages of this 250-page book.' 'I have read 24 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 25 + 24.
- 5 + 4 = 9 -> write 9
- 2 + 2 = 4 -> write 4
- written: 9 4 -> answer 49
- Pages left = 250 - 49.
- 250 - 49
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 4 - 4 = 0, write 0
- hundreds: 2 - 0 = 2, write 2
- written: 1 0 2 -> answer 201
Answer: 201


Question: A bus leaves at 9:15. The ride takes 33 minutes and the walk home takes 13 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 33 + 13.
- 3 + 3 = 6 -> write 6
- 3 + 1 = 4 -> write 4
- written: 6 4 -> answer 46
- Leave at 9:15. Add 46 minutes: 15 + 46 = 61 minutes.
- 61 is more than 60, so subtract 60: 61 - 60 = 1, and add 1 hour: 9 + 1 = 10.
Answer: 10:01


Question: Class A collected 753 cans and class B collected 570 cans. How many more did class A collect?
Let's think step by step.
- Difference = 753 - 570.
- 753 - 570
- ones: 3 - 0 = 3, write 3
- tens: 5 - 7 can't, borrow -> 15 - 7 = 8, write 8
- hundreds: 6 - 5 = 1, write 1
- written: 3 8 1 -> answer 183
Answer: 183


Question: 'I have read 21 pages of this 300-page book.' 'I have read 66 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 21 + 66.
- 1 + 6 = 7 -> write 7
- 2 + 6 = 8 -> write 8
- written: 7 8 -> answer 87
- Pages left = 300 - 87.
- 300 - 87
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 8 = 1, write 1
- hundreds: 2 - 0 = 2, write 2
- written: 3 1 2 -> answer 213
Answer: 213


Question: You get $20.00 allowance, spend $3.18 on lunch and $6.58 on a gift, then buy a $19.68 game. How much is left?
Let's think step by step.
- Allowance in cents: 2000. First purchase: 318.
- 2000 - 318
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 3 = 6, write 6
- thousands: 1 - 0 = 1, write 1
- written: 2 8 6 1 -> answer 1682
- Second purchase: 658.
- 1682 - 658
- ones: 2 - 8 can't, borrow -> 12 - 8 = 4, write 4
- tens: 7 - 5 = 2, write 2
- hundreds: 6 - 6 = 0, write 0
- thousands: 1 - 0 = 1, write 1
- written: 4 2 0 1 -> answer 1024
- The game costs 1968, which is more than 1024.
Answer: not enough money


Question: 'I have read 71 pages of this 350-page book.' 'I have read 79 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 71 + 79.
- 1 + 9 = 10 -> write 0, carry 1
- 7 + 7 + 1 = 15 -> write 5, carry 1
- carry 1 -> write 1
- written: 0 5 1 -> answer 150
- Pages left = 350 - 150.
- 350 - 150
- ones: 0 - 0 = 0, write 0
- tens: 5 - 5 = 0, write 0
- hundreds: 3 - 1 = 2, write 2
- written: 0 0 2 -> answer 200
Answer: 200


Question: Class A collected 717 cans and class B collected 252 cans. How many more did class A collect?
Let's think step by step.
- Difference = 717 - 252.
- 717 - 252
- ones: 7 - 2 = 5, write 5
- tens: 1 - 5 can't, borrow -> 11 - 5 = 6, write 6
- hundreds: 6 - 2 = 4, write 4
- written: 5 6 4 -> answer 465
Answer: 465


Question: Dinner costs $65.08. You add a 15% tip and pay $90.00. How much change?
Let's think step by step.
- Bill is 6508 cents.
- 10% = 650; half of that is 325; tip = 650 + 325 = 975.
- Total = 6508 + 975.
- 8 + 5 = 13 -> write 3, carry 1
- 0 + 7 + 1 = 8 -> write 8
- 5 + 9 = 14 -> write 4, carry 1
- 6 + 0 + 1 = 7 -> write 7
- written: 3 8 4 7 -> answer 7483
- Change = 9000 - 7483.
- 9000 - 7483
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 8 = 1, write 1
- hundreds: 9 - 4 = 5, write 5
- thousands: 8 - 7 = 1, write 1
- written: 7 1 5 1 -> answer 1517
Answer: $15.17


Question: Dinner costs $26.68. You add a 15% tip and pay $50.00. How much change?
Let's think step by step.
- Bill is 2668 cents.
- 10% = 266; half of that is 133; tip = 266 + 133 = 399.
- Total = 2668 + 399.
- 8 + 9 = 17 -> write 7, carry 1
- 6 + 9 + 1 = 16 -> write 6, carry 1
- 6 + 3 + 1 = 10 -> write 0, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 7 6 0 3 -> answer 3067
- Change = 5000 - 3067.
- 5000 - 3067
- ones: 0 - 7 can't, borrow -> 10 - 7 = 3, write 3
- tens: 9 - 6 = 3, write 3
- hundreds: 9 - 0 = 9, write 9
- thousands: 4 - 3 = 1, write 1
- written: 3 3 9 1 -> answer 1933
Answer: $19.33


Question: A bus leaves at 10:26. The ride takes 30 minutes and the walk home takes 6 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 30 + 6.
- 0 + 6 = 6 -> write 6
- 3 + 0 = 3 -> write 3
- written: 6 3 -> answer 36
- Leave at 10:26. Add 36 minutes: 26 + 36 = 62 minutes.
- 62 is more than 60, so subtract 60: 62 - 60 = 2, and add 1 hour: 10 + 1 = 11.
Answer: 11:02


Question: Dinner costs $87.41. You add a 10% tip and pay $110.00. How much change?
Let's think step by step.
- Bill is 8741 cents.
- 10% tip = 8741 / 10 = 874.
- Total = 8741 + 874.
- 1 + 4 = 5 -> write 5
- 4 + 7 = 11 -> write 1, carry 1
- 7 + 8 + 1 = 16 -> write 6, carry 1
- 8 + 0 + 1 = 9 -> write 9
- written: 5 1 6 9 -> answer 9615
- Change = 11000 - 9615.
- 11000 - 9615
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 6 = 3, write 3
- thousands: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 5 8 3 1 0 -> answer 1385
Answer: $13.85


Question: Class A collected 715 cans and class B collected 211 cans. How many more did class A collect?
Let's think step by step.
- Difference = 715 - 211.
- 715 - 211
- ones: 5 - 1 = 4, write 4
- tens: 1 - 1 = 0, write 0
- hundreds: 7 - 2 = 5, write 5
- written: 4 0 5 -> answer 504
Answer: 504


Question: What is 5 ft 11 in plus 3 ft 7 in?
Let's think step by step.
- Add inches: 11 + 7 = 18.
- 18 inches is 1 foot 6 inches (12 inches in a foot).
- Feet: 5 + 3 + 1 = 9.
Answer: 9 ft 6 in


Question: Class A collected 825 cans and class B collected 109 cans. How many more did class A collect?
Let's think step by step.
- Difference = 825 - 109.
- 825 - 109
- ones: 5 - 9 can't, borrow -> 15 - 9 = 6, write 6
- tens: 1 - 0 = 1, write 1
- hundreds: 8 - 1 = 7, write 7
- written: 6 1 7 -> answer 716
Answer: 716


Question: Dinner costs $73.22. You add a 10% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 7322 cents.
- 10% tip = 7322 / 10 = 732.
- Total = 7322 + 732.
- 2 + 2 = 4 -> write 4
- 2 + 3 = 5 -> write 5
- 3 + 7 = 10 -> write 0, carry 1
- 7 + 0 + 1 = 8 -> write 8
- written: 4 5 0 8 -> answer 8054
- Change = 10000 - 8054.
- 10000 - 8054
- ones: 0 - 4 can't, borrow -> 10 - 4 = 6, write 6
- tens: 9 - 5 = 4, write 4
- hundreds: 9 - 0 = 9, write 9
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 6 4 9 1 0 -> answer 1946
Answer: $19.46


Question: Class A collected 810 cans and class B collected 555 cans. How many more did class A collect?
Let's think step by step.
- Difference = 810 - 555.
- 810 - 555
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- hundreds: 7 - 5 = 2, write 2
- written: 5 5 2 -> answer 255
Answer: 255


Question: What is 5 ft 4 in plus 4 ft 8 in?
Let's think step by step.
- Add inches: 4 + 8 = 12.
- 12 inches is 1 foot 0 inches (12 inches in a foot).
- Feet: 5 + 4 + 1 = 10.
Answer: 10 ft 0 in


Question: Class A collected 877 cans and class B collected 163 cans. How many more did class A collect?
Let's think step by step.
- Difference = 877 - 163.
- 877 - 163
- ones: 7 - 3 = 4, write 4
- tens: 7 - 6 = 1, write 1
- hundreds: 8 - 1 = 7, write 7
- written: 4 1 7 -> answer 714
Answer: 714


Question: Dinner costs $29.70. You add a 15% tip and pay $50.00. How much change?
Let's think step by step.
- Bill is 2970 cents.
- 10% = 297; half of that is 148; tip = 297 + 148 = 445.
- Total = 2970 + 445.
- 0 + 5 = 5 -> write 5
- 7 + 4 = 11 -> write 1, carry 1
- 9 + 4 + 1 = 14 -> write 4, carry 1
- 2 + 0 + 1 = 3 -> write 3
- written: 5 1 4 3 -> answer 3415
- Change = 5000 - 3415.
- 5000 - 3415
- ones: 0 - 5 can't, borrow -> 10 - 5 = 5, write 5
- tens: 9 - 1 = 8, write 8
- hundreds: 9 - 4 = 5, write 5
- thousands: 4 - 3 = 1, write 1
- written: 5 8 5 1 -> answer 1585
Answer: $15.85


Question: You get $30.00 allowance, spend $8.28 on lunch and $8.50 on a gift, then buy a $15.12 game. How much is left?
Let's think step by step.
- Allowance in cents: 3000. First purchase: 828.
- 3000 - 828
- ones: 0 - 8 can't, borrow -> 10 - 8 = 2, write 2
- tens: 9 - 2 = 7, write 7
- hundreds: 9 - 8 = 1, write 1
- thousands: 2 - 0 = 2, write 2
- written: 2 7 1 2 -> answer 2172
- Second purchase: 850.
- 2172 - 850
- ones: 2 - 0 = 2, write 2
- tens: 7 - 5 = 2, write 2
- hundreds: 1 - 8 can't, borrow -> 11 - 8 = 3, write 3
- thousands: 1 - 0 = 1, write 1
- written: 2 2 3 1 -> answer 1322
- The game costs 1512, which is more than 1322.
Answer: not enough money


Question: Class A collected 608 cans and class B collected 260 cans. How many more did class A collect?
Let's think step by step.
- Difference = 608 - 260.
- 608 - 260
- ones: 8 - 0 = 8, write 8
- tens: 0 - 6 can't, borrow -> 10 - 6 = 4, write 4
- hundreds: 5 - 2 = 3, write 3
- written: 8 4 3 -> answer 348
Answer: 348


Question: A bus leaves at 8:10. The ride takes 38 minutes and the walk home takes 8 minutes. What time do you arrive?
Let's think step by step.
- Total travel minutes = 38 + 8.
- 8 + 8 = 16 -> write 6, carry 1
- 3 + 0 + 1 = 4 -> write 4
- written: 6 4 -> answer 46
- Leave at 8:10. Add 46 minutes: 10 + 46 = 56 minutes.
Answer: 8:56


Question: Class A collected 665 cans and class B collected 471 cans. How many more did class A collect?
Let's think step by step.
- Difference = 665 - 471.
- 665 - 471
- ones: 5 - 1 = 4, write 4
- tens: 6 - 7 can't, borrow -> 16 - 7 = 9, write 9
- hundreds: 5 - 4 = 1, write 1
- written: 4 9 1 -> answer 194
Answer: 194


Question: 'I have read 26 pages of this 200-page book.' 'I have read 76 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 26 + 76.
- 6 + 6 = 12 -> write 2, carry 1
- 2 + 7 + 1 = 10 -> write 0, carry 1
- carry 1 -> write 1
- written: 2 0 1 -> answer 102
- Pages left = 200 - 102.
- 200 - 102
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 9 - 0 = 9, write 9
- hundreds: 1 - 1 = 0, write 0
- written: 8 9 0 -> answer 98
Answer: 98


Question: Dinner costs $76.90. You add a 15% tip and pay $100.00. How much change?
Let's think step by step.
- Bill is 7690 cents.
- 10% = 769; half of that is 384; tip = 769 + 384 = 1153.
- Total = 7690 + 1153.
- 0 + 3 = 3 -> write 3
- 9 + 5 = 14 -> write 4, carry 1
- 6 + 1 + 1 = 8 -> write 8
- 7 + 1 = 8 -> write 8
- written: 3 4 8 8 -> answer 8843
- Change = 10000 - 8843.
- 10000 - 8843
- ones: 0 - 3 can't, borrow -> 10 - 3 = 7, write 7
- tens: 9 - 4 = 5, write 5
- hundreds: 9 - 8 = 1, write 1
- thousands: 9 - 8 = 1, write 1
- ten-thousands: 0 - 0 = 0, write 0
- written: 7 5 1 1 0 -> answer 1157
Answer: $11.57


Question: Class A collected 392 cans and class B collected 339 cans. How many more did class A collect?
Let's think step by step.
- Difference = 392 - 339.
- 392 - 339
- ones: 2 - 9 can't, borrow -> 12 - 9 = 3, write 3
- tens: 8 - 3 = 5, write 5
- hundreds: 3 - 3 = 0, write 0
- written: 3 5 0 -> answer 53
Answer: 53


Question: Class A collected 796 cans and class B collected 168 cans. How many more did class A collect?
Let's think step by step.
- Difference = 796 - 168.
- 796 - 168
- ones: 6 - 8 can't, borrow -> 16 - 8 = 8, write 8
- tens: 8 - 6 = 2, write 2
- hundreds: 7 - 1 = 6, write 6
- written: 8 2 6 -> answer 628
Answer: 628


Question: 'I have read 79 pages of this 300-page book.' 'I have read 60 pages.' How many pages have they not read between them?
Let's think step by step.
- Pages read together = 79 + 60.
- 9 + 0 = 9 -> write 9
- 7 + 6 = 13 -> write 3, carry 1
- carry 1 -> write 1
- written: 9 3 1 -> answer 139
- Pages left = 300 - 139.
- 300 - 139
- ones: 0 - 9 can't, borrow -> 10 - 9 = 1, write 1
- tens: 9 - 3 = 6, write 6
- hundreds: 2 - 1 = 1, write 1
- written: 1 6 1 -> answer 161
Answer: 161


Question: Dinner costs $20.48. You add a 10% tip and pay $40.00. How much change?
Let's think step by step.
- Bill is 2048 cents.
- 10% tip = 2048 / 10 = 204.
- Total = 2048 + 204.
- 8 + 4 = 12 -> write 2, carry 1
- 4 + 0 + 1 = 5 -> write 5
- 0 + 2 = 2 -> write 2
- 2 + 0 = 2 -> write 2
- written: 2 5 2 2 -> answer 2252
- Change = 4000 - 2252.
- 4000 - 2252
- ones: 0 - 2 can't, borrow -> 10 - 2 = 8, write 8
- tens: 9 - 5 = 4, write 4
- hundreds: 9 - 2 = 7, write 7
- thousands: 3 - 2 = 1, write 1
- written: 8 4 7 1 -> answer 1748
Answer: $17.48


Question: Class A collected 891 cans and class B collected 556 cans. How many more did class A collect?
Let's think step by step.
- Difference = 891 - 556.
- 891 - 556
- ones: 1 - 6 can't, borrow -> 11 - 6 = 5, write 5
- tens: 8 - 5 = 3, write 3
- hundreds: 8 - 5 = 3, write 3
- written: 5 3 3 -> answer 335
Answer: 335


Question: What is 3 ft 11 in plus 1 ft 11 in?
Let's think step by step.
- Add inches: 11 + 11 = 22.
- 22 inches is 1 foot 10 inches (12 inches in a foot).
- Feet: 3 + 1 + 1 = 5.
Answer: 5 ft 10 in