Random
Multiplication & Addition
Multiplication & Subtraction
Division & Addition
Division & Subtraction
100

A letter used to represent an unknown number

What is a variable?

100
2k + 5 = 17
What is 6 ?
100
3a - 5 = 4
What is 3 ?
100
m/5 + 4 = 12
What is 40 ?
100
z/6 - 8 = 2
What is 60?
200

The inverse operation of addition

What is subtraction?

200
2a + 11 = 35
What is 12 ?
200
5m - 7 = 23
What is 6 ?
200
y/8 + 11 = 13
What is 16 ?
200
y/9 - 15 = 5
What is 180 ?
300

-10 - 15 - - 22 + -35

What is -38

300
2r + 39 = 65
What is 13 ?
300
6k - 5 = 43
What is 8 ?
300
k/8 + 21 = 97
What is 608 ?
300
z/6 - 14 = 3
What is 102 ?
400

A number right in front of a variable

What is a coefficient?

400
12s + 27 = 171
What is 12 ?
400
4j - 71 = 29
What is 25 ?
400
g/11 + 37 = 128
What is 1188 ?
400
y/9 - 18 = 52
What is 630 ?
500

List as many digits of pi as you remember! The group with the most, will get 500 points.

What is 3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647...

500
19b + 314 = 1663
What is 71 ?
500
21q - 39 = 234
What is 13 ?
500
w/317 + 596 = 1,639
What is 330,631?
500
d/10 - 83 = 64
What is 1470 ?