Unit 2 Review

Adding and Subtracting Fractions

100

1/2 + 3/8

7/8

200

3/4 + 5/6

19/12

300

3/2 + 3/5

21/10

400

7/8 - 3/4

1/8

500

5/6 - 3/8

11/24

Place Value

100

4=_____ x 10

0.4

200

0.4=________ x10

0.04

300

0.003, _____, 0.3, ______, 30, 300

0.03, 3

400

0.04= _______ x10

0.004

500

800, ______, 8, 0.8, 0.08, _______

80, 0.008

Adding and Subtracting Decimals

100

4.8 + 0.16

4.96

200

3.775 + 0.225

4

300

0.012 + 3.79 + 1.101

4.903

400

7.5 - 1.2

6.3

500

500.2 - 494.94

5.26

Powers of 10

100

0.03 x 10²

3

200

0.9 x 10³

900

300

0.72 x 10²

72

400

150 divided by 10³

0.15

500

7200 divided by 10³

7.2

Word Problems

100

Jim mails one package that weighs 3/8 pound and another that weighs 2/3 pound. What is the total weight of both packages?

25/24 or 1 1/24

200

Rosa needs 5 1/ 4 yards of ribbon for a crafts project. She already has 2 7 /8 yards of ribbon. How many more yards of ribbon does she need to buy?

2 3/8

300

To make fruit punch, Tyrone needs 3 3/8 quarts of orange juice and 3 3/4 quarts of cranberry juice. How many quarts of juice does he need in all?

6 9/8

400

Lin spent 5 /6 hour on math homework and 1 3 /4 hours on science homework. How many hours in all did she spend on homework for both subjects?

1 19/12 or 2 7/12

500

Sandra rode her bike 9 1/3 miles on Monday and 6 4/5 miles on Tuesday. How many more miles did she ride on Monday than on Tuesday?

2 8/15