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
5,101
arithmetic
easy
What is 7 * 9?
63
Multiply: 7 * 9 = 63.
basic_operations
5,102
percentages
easy
What is 91% of 921?
838.11
Calculate 91/100 * 921 = 0.91*921 = 838.11.
percentages
5,103
roots
easy
What is the square root of 729?
27
Find number that when squared gives 729. 27*27=729, so sqrt(729)=27.
square_roots
5,104
geometry
easy
Find the area of a rectangle with length 59 and width 22.
1298
Area = length * width = 59*22 = 1298.
rectangle_area
5,105
fractions
medium
What is 5/10 * 16/7? Give as simplified fraction.
8/7
Multiply numerators: 5*16=80. Denominators: 10*7=70. Simplify by gcd 10 to get 8/7.
fraction_operations
5,106
algebra
medium
Solve for x: x^2 - 16x + 63 = 0
x = 7, 9
Factor: (x - 7)(x - 9) = x^2 -(16)x + 63 = 0. So x = 7 or 9. Check sum = 16, product = 63.
quadratic
5,107
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
5,108
geometry
easy
Find the area of a rectangle with length 8 and width 12.
96
Area = length * width = 8*12 = 96.
rectangle_area
5,109
statistics
easy
What is the mean (average) of 84, 67, 24, 21, 89?
57
Mean = sum/count. Sum = 84+67+24+21+89=285. Count=5. Mean=285/5=57.0.
mean
5,110
geometry
easy
Find the circumference of a circle with radius 16. Use pi=3.14159, round to 2 decimals.
100.53
Circumference = 2*pi*r = 2*3.14159*16 = 100.53.
circle_circum
5,111
arithmetic
easy
What is 430 - 140?
290
Subtract: 430 - 140 = 290.
basic_operations
5,112
number_theory
medium
What is the GCD (greatest common divisor) of 1 and 62?
1
Find greatest number dividing both 1 and 62. Divisors common, greatest is 1.
gcd
5,113
arithmetic
easy
What is 90 * 97?
8730
Multiply: 90 * 97 = 8730.
basic_operations
5,114
arithmetic
easy
What is 119 + 589?
708
Add the two numbers: 119 + 589 = 708.
basic_operations
5,115
word_problems
easy
If you have 18 apples and you buy 43 more apples, how many apples do you have in total?
61
Add initial 18 plus bought 43: 18+43=61.
addition_word
5,116
roots
easy
What is the square root of 144?
12
Find number that when squared gives 144. 12*12=144, so sqrt(144)=12.
square_roots
5,117
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
5,118
arithmetic
easy
What is 762 + 372 * 30? Remember order of operations.
11922
Order of operations (PEMDAS): first 372*30=11160, then 762+11160=11922.
basic_operations
5,119
algebra
easy
Solve for x: 7x - 45 = -171
-18
Add 45 to both sides: 7x = -171+45=-126. Then x = -126/7 = -18.
linear_equation
5,120
word_problems
easy
If you have 14 pencils and you buy 28 more pencils, how many pencils do you have in total?
42
Add initial 14 plus bought 28: 14+28=42.
addition_word
5,121
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
5,122
arithmetic
easy
What is 980 - 5?
975
Subtract: 980 - 5 = 975.
basic_operations
5,123
arithmetic
easy
What is 899 - 517?
382
Subtract: 899 - 517 = 382.
basic_operations
5,124
roots
easy
What is the square root of 2025?
45
Find number that when squared gives 2025. 45*45=2025, so sqrt(2025)=45.
square_roots
5,125
exponents
easy
What is 5^3?
125
5^3 means multiply 5 by itself 3 times: 5*5*5 = 125.
exponents
5,126
word_problems
easy
If you have 57 pencils and you buy 38 more pencils, how many pencils do you have in total?
95
Add initial 57 plus bought 38: 57+38=95.
addition_word
5,127
fractions
medium
What is 14/13 - 5/10? Give as simplified fraction.
15/26
Common denominator 130. Numerator 140-65=75. So 75/130 simplifies to 15/26.
fraction_operations
5,128
statistics
easy
What is the mean (average) of 53, 94, 12?
53
Mean = sum/count. Sum = 53+94+12=159. Count=3. Mean=159/3=53.0.
mean
5,129
algebra
easy
Solve for x: 16x - 25 = -41
-1
Add 25 to both sides: 16x = -41+25=-16. Then x = -16/16 = -1.
linear_equation
5,130
arithmetic
easy
What is 100 + 10 * 99? Remember order of operations.
1090
Order of operations (PEMDAS): first 10*99=990, then 100+990=1090.
basic_operations
5,131
roots
easy
What is the square root of 9?
3
Find number that when squared gives 9. 3*3=9, so sqrt(9)=3.
square_roots
5,132
algebra
easy
Solve for x: 12x + 49 = 229
15
Subtract 49 from both sides: 12x = 229-49=180. Then divide by 12: x = 180/12 = 15.
linear_equation
5,133
calculus
medium
What is the derivative of 3x^3 with respect to x?
9x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^3] = 3*3*x^2 = 9x^2.
derivative
5,134
arithmetic
easy
What is 480 + 914?
1394
Add the two numbers: 480 + 914 = 1394.
basic_operations
5,135
number_theory
medium
What is the GCD (greatest common divisor) of 57 and 33?
3
Find greatest number dividing both 57 and 33. Divisors common, greatest is 3.
gcd
5,136
roots
easy
What is the square root of 100?
10
Find number that when squared gives 100. 10*10=100, so sqrt(100)=10.
square_roots
5,137
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
5,138
arithmetic
easy
What is 56 * 5?
280
Multiply: 56 * 5 = 280.
basic_operations
5,139
word_problems
easy
If you have 29 pencils and you buy 38 more pencils, how many pencils do you have in total?
67
Add initial 29 plus bought 38: 29+38=67.
addition_word
5,140
percentages
easy
What is 92% of 258?
237.36
Calculate 92/100 * 258 = 0.92*258 = 237.36.
percentages
5,141
exponents
easy
What is 10^3?
1000
10^3 means multiply 10 by itself 3 times: 10*10*10 = 1000.
exponents
5,142
exponents
easy
What is 4^4?
256
4^4 means multiply 4 by itself 4 times: 4*4*4*4 = 256.
exponents
5,143
percentages
easy
What is 49% of 944?
462.56
Calculate 49/100 * 944 = 0.49*944 = 462.56.
percentages
5,144
exponents
easy
What is 8^3?
512
8^3 means multiply 8 by itself 3 times: 8*8*8 = 512.
exponents
5,145
arithmetic
easy
What is 343 - 339?
4
Subtract: 343 - 339 = 4.
basic_operations
5,146
geometry
easy
Find the area of a rectangle with length 51 and width 47.
2397
Area = length * width = 51*47 = 2397.
rectangle_area
5,147
word_problems
easy
If you have 84 dollars and you buy 22 more dollars, how many dollars do you have in total?
106
Add initial 84 plus bought 22: 84+22=106.
addition_word
5,148
arithmetic
easy
What is 373 + 984 * 51? Remember order of operations.
50557
Order of operations (PEMDAS): first 984*51=50184, then 373+50184=50557.
basic_operations
5,149
algebra
medium
Solve for x: x^2 + 1x - 90 = 0
x = -10, 9
Factor: (x - -10)(x - 9) = x^2 -(-1)x + -90 = 0. So x = -10 or 9. Check sum = -1, product = -90.
quadratic
5,150
arithmetic
easy
What is 960 + 554 * 43? Remember order of operations.
24782
Order of operations (PEMDAS): first 554*43=23822, then 960+23822=24782.
basic_operations
5,151
statistics
easy
What is the mean (average) of 90, 40, 94, 4, 86?
62.8
Mean = sum/count. Sum = 90+40+94+4+86=314. Count=5. Mean=314/5=62.8.
mean
5,152
arithmetic
easy
What is 1612 / 31?
52
Divide: 1612 ÷ 31 = 52 because 31*52=1612.
division
5,153
word_problems
easy
If you have 69 apples and you buy 25 more apples, how many apples do you have in total?
94
Add initial 69 plus bought 25: 69+25=94.
addition_word
5,154
arithmetic
easy
What is 57 * 88?
5016
Multiply: 57 * 88 = 5016.
basic_operations
5,155
algebra
medium
Solve for x: x^2 - 5x - 50 = 0
x = -5, 10
Factor: (x - -5)(x - 10) = x^2 -(5)x + -50 = 0. So x = -5 or 10. Check sum = 5, product = -50.
quadratic
5,156
arithmetic
easy
What is 735 - 416?
319
Subtract: 735 - 416 = 319.
basic_operations
5,157
roots
easy
What is the square root of 324?
18
Find number that when squared gives 324. 18*18=324, so sqrt(324)=18.
square_roots
5,158
arithmetic
easy
What is 699 + 182?
881
Add the two numbers: 699 + 182 = 881.
basic_operations
5,159
algebra
medium
Solve for x: x^2 - 4x = 0
x = 4, 0
Factor: (x - 4)(x - 0) = x^2 -(4)x + 0 = 0. So x = 4 or 0. Check sum = 4, product = 0.
quadratic
5,160
number_theory
medium
What is the GCD (greatest common divisor) of 8 and 2?
2
Find greatest number dividing both 8 and 2. Divisors common, greatest is 2.
gcd
5,161
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
5,162
arithmetic
easy
What is 328 + 81 * 15? Remember order of operations.
1543
Order of operations (PEMDAS): first 81*15=1215, then 328+1215=1543.
basic_operations
5,163
algebra
medium
Solve for x: x^2 - 11x + 10 = 0
x = 1, 10
Factor: (x - 1)(x - 10) = x^2 -(11)x + 10 = 0. So x = 1 or 10. Check sum = 11, product = 10.
quadratic
5,164
geometry
easy
Find the circumference of a circle with radius 41. Use pi=3.14159, round to 2 decimals.
257.61
Circumference = 2*pi*r = 2*3.14159*41 = 257.61.
circle_circum
5,165
roots
easy
What is the square root of 9?
3
Find number that when squared gives 9. 3*3=9, so sqrt(9)=3.
square_roots
5,166
word_problems
easy
If you have 41 candies and you buy 3 more candies, how many candies do you have in total?
44
Add initial 41 plus bought 3: 41+3=44.
addition_word
5,167
arithmetic
easy
What is 22473 / 99?
227
Divide: 22473 ÷ 99 = 227 because 99*227=22473.
division
5,168
algebra
easy
Solve for x: 15x + 26 = 251
15
Subtract 26 from both sides: 15x = 251-26=225. Then divide by 15: x = 225/15 = 15.
linear_equation
5,169
arithmetic
easy
What is 76 * 87?
6612
Multiply: 76 * 87 = 6612.
basic_operations
5,170
arithmetic
easy
What is 936 + 237 * 86? Remember order of operations.
21318
Order of operations (PEMDAS): first 237*86=20382, then 936+20382=21318.
basic_operations
5,171
calculus
medium
What is the derivative of 10x^4 with respect to x?
40x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^4] = 10*4*x^3 = 40x^3.
derivative
5,172
fractions
medium
What is 10/2 + 7/20? Give as simplified fraction.
107/20
Common denominator 2*20=40. 10/2=200/40, 7/20=14/40. Sum = 214/40 = 107/20 simplified.
fraction_operations
5,173
arithmetic
easy
What is 285 + 357?
642
Add the two numbers: 285 + 357 = 642.
basic_operations
5,174
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
5,175
exponents
easy
What is 3^2?
9
3^2 means multiply 3 by itself 2 times: 3*3 = 9.
exponents
5,176
exponents
easy
What is 12^2?
144
12^2 means multiply 12 by itself 2 times: 12*12 = 144.
exponents
5,177
percentages
easy
What is 84% of 345?
289.8
Calculate 84/100 * 345 = 0.84*345 = 289.8.
percentages
5,178
algebra
medium
Solve for x: x^2 - 8x + 7 = 0
x = 7, 1
Factor: (x - 7)(x - 1) = x^2 -(8)x + 7 = 0. So x = 7 or 1. Check sum = 8, product = 7.
quadratic
5,179
number_theory
medium
What is the GCD (greatest common divisor) of 98 and 97?
1
Find greatest number dividing both 98 and 97. Divisors common, greatest is 1.
gcd
5,180
number_theory
medium
What is the LCM (least common multiple) of 88 and 73?
6424
LCM = |88*73| / GCD(88,73). GCD=1, so LCM=6424/1=6424.
lcm
5,181
algebra
easy
Solve for x: 2x - 4 = 4
4
Add 4 to both sides: 2x = 4+4=8. Then x = 8/2 = 4.
linear_equation
5,182
arithmetic
easy
What is 61 - 35?
26
Subtract: 61 - 35 = 26.
basic_operations
5,183
arithmetic
easy
What is 55 + 71 * 51? Remember order of operations.
3676
Order of operations (PEMDAS): first 71*51=3621, then 55+3621=3676.
basic_operations
5,184
calculus
medium
What is the derivative of 8x^7 with respect to x?
56x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^7] = 8*7*x^6 = 56x^6.
derivative
5,185
statistics
easy
What is the mean (average) of 6, 100, 90, 31?
56.75
Mean = sum/count. Sum = 6+100+90+31=227. Count=4. Mean=227/4=56.75.
mean
5,186
statistics
easy
What is the mean (average) of 35, 89, 88, 17, 92?
64.2
Mean = sum/count. Sum = 35+89+88+17+92=321. Count=5. Mean=321/5=64.2.
mean
5,187
fractions
medium
What is 7/20 * 10/11? Give as simplified fraction.
7/22
Multiply numerators: 7*10=70. Denominators: 20*11=220. Simplify by gcd 10 to get 7/22.
fraction_operations
5,188
number_theory
medium
What is the GCD (greatest common divisor) of 29 and 3?
1
Find greatest number dividing both 29 and 3. Divisors common, greatest is 1.
gcd
5,189
calculus
medium
What is the derivative of 8x^5 with respect to x?
40x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [8x^5] = 8*5*x^4 = 40x^4.
derivative
5,190
calculus
medium
What is the derivative of 3x^8 with respect to x?
24x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^8] = 3*8*x^7 = 24x^7.
derivative
5,191
roots
easy
What is the square root of 441?
21
Find number that when squared gives 441. 21*21=441, so sqrt(441)=21.
square_roots
5,192
arithmetic
easy
What is 224 - 165?
59
Subtract: 224 - 165 = 59.
basic_operations
5,193
arithmetic
easy
What is 506 + 218 * 49? Remember order of operations.
11188
Order of operations (PEMDAS): first 218*49=10682, then 506+10682=11188.
basic_operations
5,194
calculus
medium
What is the derivative of 5x^3 with respect to x?
15x^2
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^3] = 5*3*x^2 = 15x^2.
derivative
5,195
arithmetic
easy
What is 16560 / 60?
276
Divide: 16560 ÷ 60 = 276 because 60*276=16560.
division
5,196
arithmetic
easy
What is 90 + 100 * 85? Remember order of operations.
8590
Order of operations (PEMDAS): first 100*85=8500, then 90+8500=8590.
basic_operations
5,197
percentages
easy
What is 40% of 339?
135.6
Calculate 40/100 * 339 = 0.4*339 = 135.6.
percentages
5,198
arithmetic
easy
What is 80 / 10?
8
Divide: 80 ÷ 10 = 8 because 10*8=80.
division
5,199
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
5,200
arithmetic
easy
What is 98 * 70?
6860
Multiply: 98 * 70 = 6860.
basic_operations