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Inverses
Addition Equations
Subtraction Equations
Challenge
100

What is the inverse of addition?

Subtraction

100

Solve.

x + 3 = 6

x = 3

100

Solve

c - 4 = 7

c = 11

100

Solve: 

3x= 18

6

200

What is the inverse of subtraction?

Addition

200

Solve.

x + 4 = 14

x = 10

200

Solve.

x - 12 = 32

x = 44

200

4x= 32

8

300

What is the inverse of multiplication?

Division

300

Solve.

27 = 9 + b

18 = b

300

Solve.

g - 11 = 59

g = 70

300

x/2=9 

18

400

What is the inverse of division?

Multiplication

400

Solve.

37 = 18 + a 

19 = a

400

Solve.

62 = y - 19

81 = y

400

Solve: 

3n= 12

4

500

True or false, equal signs have inverses?

False

500

Solve.

100 = f + 25

75 = f

500

Solve.

x - 18 = 234

x = 252 

500

Solve: 

x/3 = 5


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