id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
91
answer
stringlengths
1
11
reasoning
stringlengths
20
98
category
stringclasses
19 values
730,901
fractions
medium
What is 9/13 + 4/4? Give as simplified fraction.
22/13
Common denominator 13*4=52. 9/13=36/52, 4/4=52/52. Sum = 88/52 = 22/13 simplified.
fraction_operations
730,902
exponents
easy
What is 7^2?
49
7^2 means multiply 7 by itself 2 times: 7*7 = 49.
exponents
730,903
percentages
easy
What is 100% of 671?
671
Calculate 100/100 * 671 = 1.0*671 = 671.
percentages
730,904
geometry
easy
Find the area of a circle with radius 18. Use pi=3.14159, round to 2 decimals.
1017.88
Area = pi*r^2 = 3.14159*18^2 = 3.14159*324 = 1017.88.
circle_area
730,905
exponents
easy
What is 6^2?
36
6^2 means multiply 6 by itself 2 times: 6*6 = 36.
exponents
730,906
statistics
easy
What is the mean (average) of 51, 85, 44, 55, 13?
49.6
Mean = sum/count. Sum = 51+85+44+55+13=248. Count=5. Mean=248/5=49.6.
mean
730,907
arithmetic
easy
What is 9480 / 60?
158
Divide: 9480 ÷ 60 = 158 because 60*158=9480.
division
730,908
fractions
medium
What is 20/13 + 14/3? Give as simplified fraction.
242/39
Common denominator 13*3=39. 20/13=60/39, 14/3=182/39. Sum = 242/39 = 242/39 simplified.
fraction_operations
730,909
arithmetic
easy
What is 122 + 862?
984
Add the two numbers: 122 + 862 = 984.
basic_operations
730,910
algebra
medium
Solve for x: x^2 + 8x - 20 = 0
x = -10, 2
Factor: (x - -10)(x - 2) = x^2 -(-8)x + -20 = 0. So x = -10 or 2. Check sum = -8, product = -20.
quadratic
730,911
arithmetic
easy
What is 336 + 780 * 57? Remember order of operations.
44796
Order of operations (PEMDAS): first 780*57=44460, then 336+44460=44796.
basic_operations
730,912
percentages
easy
What is 13% of 418?
54.34
Calculate 13/100 * 418 = 0.13*418 = 54.34.
percentages
730,913
statistics
easy
What is the mean (average) of 21, 70, 68, 78?
59.25
Mean = sum/count. Sum = 21+70+68+78=237. Count=4. Mean=237/4=59.25.
mean
730,914
statistics
easy
What is the mean (average) of 37, 34, 57, 88, 86?
60.4
Mean = sum/count. Sum = 37+34+57+88+86=302. Count=5. Mean=302/5=60.4.
mean
730,915
arithmetic
easy
What is 687 + 430 * 94? Remember order of operations.
41107
Order of operations (PEMDAS): first 430*94=40420, then 687+40420=41107.
basic_operations
730,916
fractions
medium
What is 12/9 - 14/8? Give as simplified fraction.
-5/12
Common denominator 72. Numerator 96-126=-30. So -30/72 simplifies to -5/12.
fraction_operations
730,917
arithmetic
easy
What is 530 - 155?
375
Subtract: 530 - 155 = 375.
basic_operations
730,918
arithmetic
easy
What is 69 * 32?
2208
Multiply: 69 * 32 = 2208.
basic_operations
730,919
arithmetic
easy
What is 68 * 85?
5780
Multiply: 68 * 85 = 5780.
basic_operations
730,920
exponents
easy
What is 2^2?
4
2^2 means multiply 2 by itself 2 times: 2*2 = 4.
exponents
730,921
word_problems
easy
If you have 74 dollars and you buy 38 more dollars, how many dollars do you have in total?
112
Add initial 74 plus bought 38: 74+38=112.
addition_word
730,922
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
730,923
calculus
medium
What is the indefinite integral of x^1 dx?
x^2/2 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^1 = x^2/2 + C.
integral
730,924
geometry
easy
Find the area of a rectangle with length 91 and width 91.
8281
Area = length * width = 91*91 = 8281.
rectangle_area
730,925
arithmetic
easy
What is 287 + 843 * 28? Remember order of operations.
23891
Order of operations (PEMDAS): first 843*28=23604, then 287+23604=23891.
basic_operations
730,926
percentages
easy
What is 45% of 735?
330.75
Calculate 45/100 * 735 = 0.45*735 = 330.75.
percentages
730,927
number_theory
medium
What is the LCM (least common multiple) of 44 and 35?
1540
LCM = |44*35| / GCD(44,35). GCD=1, so LCM=1540/1=1540.
lcm
730,928
algebra
medium
Solve for x: x^2 + 3x - 70 = 0
x = -10, 7
Factor: (x - -10)(x - 7) = x^2 -(-3)x + -70 = 0. So x = -10 or 7. Check sum = -3, product = -70.
quadratic
730,929
fractions
medium
What is 6/12 + 14/4? Give as simplified fraction.
4
Common denominator 12*4=48. 6/12=24/48, 14/4=168/48. Sum = 192/48 = 4 simplified.
fraction_operations
730,930
calculus
medium
What is the derivative of 1x^8 with respect to x?
8x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^8] = 1*8*x^7 = 8x^7.
derivative
730,931
statistics
easy
What is the mean (average) of 66, 9, 34, 64?
43.25
Mean = sum/count. Sum = 66+9+34+64=173. Count=4. Mean=173/4=43.25.
mean
730,932
percentages
easy
What is 90% of 888?
799.2
Calculate 90/100 * 888 = 0.9*888 = 799.2.
percentages
730,933
word_problems
easy
If you have 18 candies and you buy 15 more candies, how many candies do you have in total?
33
Add initial 18 plus bought 15: 18+15=33.
addition_word
730,934
percentages
easy
What is 73% of 577?
421.21
Calculate 73/100 * 577 = 0.73*577 = 421.21.
percentages
730,935
number_theory
medium
What is the LCM (least common multiple) of 75 and 66?
1650
LCM = |75*66| / GCD(75,66). GCD=3, so LCM=4950/3=1650.
lcm
730,936
fractions
medium
What is 5/19 * 1/11? Give as simplified fraction.
5/209
Multiply numerators: 5*1=5. Denominators: 19*11=209. Simplify by gcd 1 to get 5/209.
fraction_operations
730,937
arithmetic
easy
What is 913 + 808 * 14? Remember order of operations.
12225
Order of operations (PEMDAS): first 808*14=11312, then 913+11312=12225.
basic_operations
730,938
arithmetic
easy
What is 22407 / 97?
231
Divide: 22407 ÷ 97 = 231 because 97*231=22407.
division
730,939
calculus
medium
What is the indefinite integral of x^2 dx?
x^3/3 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^2 = x^3/3 + C.
integral
730,940
algebra
medium
Solve for x: x^2 - 4x + 3 = 0
x = 1, 3
Factor: (x - 1)(x - 3) = x^2 -(4)x + 3 = 0. So x = 1 or 3. Check sum = 4, product = 3.
quadratic
730,941
arithmetic
easy
What is 24274 divided by 51? Give answer to 2 decimal places.
475.96
Calculate 24274/ 51 = 475.9608, rounded to 2 decimals is 475.96.
division
730,942
algebra
medium
Solve for x: x^2 + 9x + 8 = 0
x = -8, -1
Factor: (x - -8)(x - -1) = x^2 -(-9)x + 8 = 0. So x = -8 or -1. Check sum = -9, product = 8.
quadratic
730,943
algebra
medium
Solve for x: x^2 + 1x - 6 = 0
x = -3, 2
Factor: (x - -3)(x - 2) = x^2 -(-1)x + -6 = 0. So x = -3 or 2. Check sum = -1, product = -6.
quadratic
730,944
fractions
medium
What is 2/8 * 3/16? Give as simplified fraction.
3/64
Multiply numerators: 2*3=6. Denominators: 8*16=128. Simplify by gcd 2 to get 3/64.
fraction_operations
730,945
statistics
easy
What is the mean (average) of 25, 32, 45?
34
Mean = sum/count. Sum = 25+32+45=102. Count=3. Mean=102/3=34.0.
mean
730,946
geometry
easy
Find the area of a circle with radius 37. Use pi=3.14159, round to 2 decimals.
4300.84
Area = pi*r^2 = 3.14159*37^2 = 3.14159*1369 = 4300.84.
circle_area
730,947
arithmetic
easy
What is 296 + 461?
757
Add the two numbers: 296 + 461 = 757.
basic_operations
730,948
arithmetic
easy
What is 16036 / 38?
422
Divide: 16036 ÷ 38 = 422 because 38*422=16036.
division
730,949
calculus
medium
What is the derivative of 1x^2 with respect to x?
2x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^2] = 1*2*x^1 = 2x.
derivative
730,950
word_problems
easy
If you have 100 books and you buy 29 more books, how many books do you have in total?
129
Add initial 100 plus bought 29: 100+29=129.
addition_word
730,951
roots
easy
What is the square root of 2209?
47
Find number that when squared gives 2209. 47*47=2209, so sqrt(2209)=47.
square_roots
730,952
statistics
easy
What is the mean (average) of 40, 69, 3, 24?
34
Mean = sum/count. Sum = 40+69+3+24=136. Count=4. Mean=136/4=34.0.
mean
730,953
geometry
easy
Find the area of a rectangle with length 92 and width 90.
8280
Area = length * width = 92*90 = 8280.
rectangle_area
730,954
statistics
easy
What is the mean (average) of 34, 83, 45, 92, 78?
66.4
Mean = sum/count. Sum = 34+83+45+92+78=332. Count=5. Mean=332/5=66.4.
mean
730,955
fractions
medium
What is 10/15 + 9/3? Give as simplified fraction.
11/3
Common denominator 15*3=45. 10/15=30/45, 9/3=135/45. Sum = 165/45 = 11/3 simplified.
fraction_operations
730,956
fractions
medium
What is 7/8 * 4/14? Give as simplified fraction.
1/4
Multiply numerators: 7*4=28. Denominators: 8*14=112. Simplify by gcd 28 to get 1/4.
fraction_operations
730,957
arithmetic
easy
What is 838 + 256 * 8? Remember order of operations.
2886
Order of operations (PEMDAS): first 256*8=2048, then 838+2048=2886.
basic_operations
730,958
roots
easy
What is the square root of 196?
14
Find number that when squared gives 196. 14*14=196, so sqrt(196)=14.
square_roots
730,959
word_problems
easy
If you have 27 dollars and you buy 48 more dollars, how many dollars do you have in total?
75
Add initial 27 plus bought 48: 27+48=75.
addition_word
730,960
arithmetic
easy
What is 36 * 98?
3528
Multiply: 36 * 98 = 3528.
basic_operations
730,961
percentages
easy
What is 87% of 508?
441.96
Calculate 87/100 * 508 = 0.87*508 = 441.96.
percentages
730,962
exponents
easy
What is 2^2?
4
2^2 means multiply 2 by itself 2 times: 2*2 = 4.
exponents
730,963
exponents
easy
What is 6^4?
1296
6^4 means multiply 6 by itself 4 times: 6*6*6*6 = 1296.
exponents
730,964
arithmetic
easy
What is 25661 / 67?
383
Divide: 25661 ÷ 67 = 383 because 67*383=25661.
division
730,965
geometry
easy
Find the area of a circle with radius 39. Use pi=3.14159, round to 2 decimals.
4778.36
Area = pi*r^2 = 3.14159*39^2 = 3.14159*1521 = 4778.36.
circle_area
730,966
algebra
medium
Solve for x: x^2 + 10x + 24 = 0
x = -6, -4
Factor: (x - -6)(x - -4) = x^2 -(-10)x + 24 = 0. So x = -6 or -4. Check sum = -10, product = 24.
quadratic
730,967
fractions
medium
What is 18/8 - 7/12? Give as simplified fraction.
5/3
Common denominator 96. Numerator 216-56=160. So 160/96 simplifies to 5/3.
fraction_operations
730,968
statistics
easy
What is the mean (average) of 74, 60, 24, 35, 96?
57.8
Mean = sum/count. Sum = 74+60+24+35+96=289. Count=5. Mean=289/5=57.8.
mean
730,969
word_problems
easy
If you have 59 candies and you buy 10 more candies, how many candies do you have in total?
69
Add initial 59 plus bought 10: 59+10=69.
addition_word
730,970
algebra
easy
Solve for x: 3x + 37 = 55
6
Subtract 37 from both sides: 3x = 55-37=18. Then divide by 3: x = 18/3 = 6.
linear_equation
730,971
arithmetic
easy
What is 15 + 244?
259
Add the two numbers: 15 + 244 = 259.
basic_operations
730,972
arithmetic
easy
What is 838 - 237?
601
Subtract: 838 - 237 = 601.
basic_operations
730,973
roots
easy
What is the square root of 256?
16
Find number that when squared gives 256. 16*16=256, so sqrt(256)=16.
square_roots
730,974
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
730,975
arithmetic
easy
What is 761 + 591 * 19? Remember order of operations.
11990
Order of operations (PEMDAS): first 591*19=11229, then 761+11229=11990.
basic_operations
730,976
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
730,977
algebra
medium
Solve for x: x^2 - 6x - 16 = 0
x = -2, 8
Factor: (x - -2)(x - 8) = x^2 -(6)x + -16 = 0. So x = -2 or 8. Check sum = 6, product = -16.
quadratic
730,978
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
730,979
exponents
easy
What is 2^5?
32
2^5 means multiply 2 by itself 5 times: 2*2*2*2*2 = 32.
exponents
730,980
exponents
easy
What is 11^3?
1331
11^3 means multiply 11 by itself 3 times: 11*11*11 = 1331.
exponents
730,981
number_theory
medium
What is the GCD (greatest common divisor) of 70 and 79?
1
Find greatest number dividing both 70 and 79. Divisors common, greatest is 1.
gcd
730,982
algebra
medium
Solve for x: x^2 + 8x = 0
x = 0, -8
Factor: (x - 0)(x - -8) = x^2 -(-8)x + 0 = 0. So x = 0 or -8. Check sum = -8, product = 0.
quadratic
730,983
statistics
easy
What is the mean (average) of 53, 3, 8, 82?
36.5
Mean = sum/count. Sum = 53+3+8+82=146. Count=4. Mean=146/4=36.5.
mean
730,984
calculus
medium
What is the indefinite integral of x^3 dx?
x^4/4 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^3 = x^4/4 + C.
integral
730,985
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
730,986
number_theory
medium
What is the LCM (least common multiple) of 70 and 31?
2170
LCM = |70*31| / GCD(70,31). GCD=1, so LCM=2170/1=2170.
lcm
730,987
fractions
medium
What is 15/16 * 4/18? Give as simplified fraction.
5/24
Multiply numerators: 15*4=60. Denominators: 16*18=288. Simplify by gcd 12 to get 5/24.
fraction_operations
730,988
fractions
medium
What is 12/6 * 9/16? Give as simplified fraction.
9/8
Multiply numerators: 12*9=108. Denominators: 6*16=96. Simplify by gcd 12 to get 9/8.
fraction_operations
730,989
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
730,990
exponents
easy
What is 10^5?
100000
10^5 means multiply 10 by itself 5 times: 10*10*10*10*10 = 100000.
exponents
730,991
fractions
medium
What is 11/9 - 19/19? Give as simplified fraction.
2/9
Common denominator 171. Numerator 209-171=38. So 38/171 simplifies to 2/9.
fraction_operations
730,992
algebra
medium
Solve for x: x^2 + 1x - 6 = 0
x = 2, -3
Factor: (x - 2)(x - -3) = x^2 -(-1)x + -6 = 0. So x = 2 or -3. Check sum = -1, product = -6.
quadratic
730,993
arithmetic
easy
What is 599 - 372?
227
Subtract: 599 - 372 = 227.
basic_operations
730,994
arithmetic
easy
What is 65 + 77 * 80? Remember order of operations.
6225
Order of operations (PEMDAS): first 77*80=6160, then 65+6160=6225.
basic_operations
730,995
geometry
easy
Find the area of a circle with radius 12. Use pi=3.14159, round to 2 decimals.
452.39
Area = pi*r^2 = 3.14159*12^2 = 3.14159*144 = 452.39.
circle_area
730,996
number_theory
medium
What is the LCM (least common multiple) of 42 and 1?
42
LCM = |42*1| / GCD(42,1). GCD=1, so LCM=42/1=42.
lcm
730,997
fractions
medium
What is 2/13 - 7/15? Give as simplified fraction.
-61/195
Common denominator 195. Numerator 30-91=-61. So -61/195 simplifies to -61/195.
fraction_operations
730,998
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
730,999
roots
easy
What is the square root of 1369?
37
Find number that when squared gives 1369. 37*37=1369, so sqrt(1369)=37.
square_roots
731,000
calculus
medium
What is the derivative of 2x^2 with respect to x?
4x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^2] = 2*2*x^1 = 4x.
derivative