Math Review

Fraction Division

100

3/4 divided by 5/6

18/20

200

1/2 divided by 4/10

10/8

300

6/7 divided by 5/9

54/35

400

9/12 divided by 7/8

72/84

500

2 1/2 divided by 4/6

30/8

Plugging in for a Variable

100

x + 8 when x= 5

13

200

20 - c when c= 9

11

300

7y when y=8

56

400

a/3 + 5 when a=12

9

500

3y + 2y when y=3

15

Area

100

What is the area?

40ft²

200

What is the area?

9 yd²

300

What is the area?

15 in²

400

What is the area?

54 ft²

500

What is the area?

120 ft²

Volume

100

What is the Volume formula?

V=LWH

200

What is the volume? 

72 ft³

300

What is the Volume?

88 yd³

400

What is the volume?

30/216 in³

500

What is the Volume?

40/56 ft³

Ratios-Word Problems

100

Maria is baking cookies, and the recipe calls for 3 cups of flour to make 12 cookies. How many cups of flour are needed to make 36 cookies?

9 cups

200

A car travels 240 miles using 8 gallons of gas. How many miles can the car travel on 5 gallons of gas?

150 miles

300

In a classroom, the ratio of boys to girls is 4:5. If there are 20 boys in the classroom, how many girls are there?

25 girls

400

On a map, 2 inches represents 50 miles. How many miles are represented by 6 inches on the map?

150 miles

500

What is 25% of 80?  

20