Chapter 7 Test Review

Writing Expressions

100

The sum of a number x and 8 is 20.

x+8=20

200

The product of 4 and a number k equals 24.

4xk=24

300

8 divided by a number j is 4.

8/j=4

400

13 increased by a number b is 22

13+b=22

500

7 less than a number k is 3.

k-7=3

Addition and Division Equations

100

x+4=6

x=2

200

8+b=20

b=12

300

k-7=21

k=28

400

64+h=98

h=34

500

8-y=12

y=-4

Multiplication and Division Equations

100

8*a=16

a=2

200

w/7=5

w=35

300

r/11=121

r=11

400

h*15=1035

h=9

500

1555=5*g

g=311

Two-Step Equations

100

3x+2=17

x=5

200

h/7-4=3

h=49

300

8+4y=15

y=28 

400

8p-8=40

p=4

500

m/12=25

m=300

Area & Volume

100

The area of a rectangle is 56 square units. The base is 7 units. What is the height?

Height= 8 units

200

The area of a triangle is 30 square units. The base is 10 units. What is the height?

Height = 6 units

300

A box has a length of 6 inches, a width of 3 inches, and a height of 2 inches. What is the volume of the box?

Volume = 36 inches cubed 

400

The volume is 120 cubic units. The length is 5 units, and the width is 4 units. What is the height?

Height = 6 units

500

A rectangular prism has a volume of 180 cubic inches.
The width is 5 inches, and the height is 3 inches. What is the missing length?

Length = 12 inches