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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 opposite 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
The four basic operations
What are addition, subtraction, multiplication, and division?
300
2r + 39 = 65
What is 13 ?
300
6k - 5 = 43
What is 8 ?
300

k/8 + 21 = 31

What is 80 ?

300
z/6 - 14 = 3
What is 102 ?
400

What's the inverse of division?

Multiplication

400
12s + 27 = 171
What is 12 ?
400
4j - 71 = 29
What is 25 ?
400

g/11 + 20 = 29

What is 99 ?

400
y/9 - 18 = 52
What is 630 ?
500

4x + 65 = 85

x = 5

500

12b + 40 = 64

What is 2 ?

500

9q - 31 = 50

What is 9 ?

500

w/15 + 110 = 114

What is 45 ?

500

d/10 - 10 = 4

What is 140 ?

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