One-Step (+)
One-Step (-)
One-Step (รท)
One-Step (x)
Inverse Operations
100

x - 7 = 13

What is x = 20?

100

26 = 8 + v

What is v = 18?

100

104 = 8x

What is x = 13?

100

6 = b/18

What is b = 108?

100

What is the inverse of addition? 

Subtraction

200

p - 6 = 5

What is p = 11?

200

3 + p = 8

What is p = 5?

200

14b = 56

What is b = 4?

200

v/8 = 2

What is v = 16?

200

What is the inverse of multiplication?

Division

300

m - 9 = 13

What is m = 22?

300

m + 4 = 26

What is m = 22?

300

10n = 40

What is n = 4?

300

16 = k/11

What is k = 176?

300

What is the inverse of division? 

Multiplication

400

v - 15 = 27

What is v = 42?

400

n + 16 = 36

What is n = 20?

400

17x = 204

What is x = 12?

400

m/4 = 13

What is m = 52?

400

What is the inverse of subtraction?

Addition

500

-17 = x - 15

What is x = -2?

500

18 + m = 23

What is m = 5?

500

126 = 14k

What is k = 9?

500

5 = a/18

What is a = 90?

500

What is the meaning of the word "inverse"? 

Opposite