Chapter 5 Test Review

Adding Fractions

100

Find the least common nultiple of 3, 5, and 10.

30

200

1/6 + 7/12

3/4

300

About 1/3 of the animals at the zoo are birds. The mammals make up 2/5 of the zoo's population. What fraction of the zoo's animals are birds or mammals?

11/15

400

Jaylin volunteered 3 3/4 hours on Saturday and 2 1/4 hours on Sunday. How many hours did she work the two days?

6

500

8 1/5 + 1.5

9 7/10

Subtracting Fractions

100

Erasers are sold in packs of 4, and markers are sold in packs of 6. Mrs. Klein wants to give each of 12 children an eraser and a marker. What is the least number of packs she should buy so there are none left over?

3 packs erasers and 2 packs of markers

200

13/15 - 4/5

1/15

300

12 1/2 - 8 2/5

4 1/10

400

Jose made 8 pizzas for a party. At the end of the night, 3 2/5 of the pizza had been eaten by guests. How much pizza is left over?

4 3/5

500

Henry buys 3 1/5 meters of rope. If he uses 1 7/10 meters, how much rope is left over?

1 1/2

Multiplying Fractions

100

7 x 1/4

7/4 or 1 3/4

200

2/3 x 3/8

1/4

300

2 3/4 x 3 1/2

9 5/8

400

There are 12 muffins on the table. Of those muffins, 2/3 are blueberry. How many muffins are NOT blueberry?

4

500

A pasta recipe calls for 1/4 cup of oil. How much oil would you need to make 1 1/2 servings of pasta?

3/8 cup

Dividing Fractions

100

What is the reciprocal of 2 4/5

5/14

200

1/2 divided by 2

1/4

300

2 1/3 divided by 2 4/5

5/6

400

Tina spent 2 1/4 hours knitting different scarves on Saturday. She spent 3/4 of an hour on each scarf. How many scarves did Tina make on Saturday?

3

500

Mr. Hall drove 5/6 of the trip to Atlanta. He drove for 10 hours. How long was the trip to Atlanta?

12 hours