Ch. 7 L.1-3 Review

Inverse Operations

100

Whats is the Inverse Operation of Subtraction

Addition

200

What is the Inverse Operation of Addition

Subtraction

300

What is the Inverse Operation of Division

Multiplication

400

What is the Inverse Operation of Multiplication

Division

Solving Equations By Subtracting

100

Solve y + 7 = 18

y = 11

200

a+13=24

a= 11

300

b+ 3.5=6.1

2.6

400

c+56=200

c= 144

500

Solve: h + 7.2 = 17

h= 9.8

Solving Equations By Adding

100

j-34=200

j = 234

200

h- 50=898

h= 948

300

n-6.2=15.1

n= 21.3

400

24 = m - 15

m= 39

500

15 = g - 6.5

g= 21.5

Identify the solution

100

b + 12 = 16

Is 'b' equal to:

2

3

4

b= 4

200

23 = 30 - g

Is 'g' equal to:

6

7

8

g=7

300

7w = 35

Is 'w' equal to:

3

4

5

w = 5

400

x + 29 = 105

Is 'x' eqaul to:

74

75

76

x = 76

500

8y= 56

Is 'y' equal to:

6

7

8

y=7

Mix it Up

100

Solve: 6x = 30

x=5

200

Solve: 3y= 36

y = 12

300

x/ 2 =4

x = 8

400

x/ 10 = 4

x = 40

500

Timmy went to a pizza shop and spent half of his money on lunch. If Timmy had $4.50 left after lunch, how much money did he have originally?

$ 9.00

Explanation: $4.50 is half of what. You multiple 4.50 x 2 which equal $9