Unit 2 Review

Add or Subtract

100

5/9 + 1/6

13/18

200

3/8 + 1/12

11/24

300

-6/8 - (-7/10)

-2/40 or -1/20

400

-9/10 - (-5/6)

-2/30 or -1/15

500

-2 7/10 + 0.5

-2.2

-2 2/10

-2 1/5

Multiply or Divide

100

7/9 x 2/3

14/27

200

4/5 x 3/7

12/35

300

2 1/4  divided by (-9/3)

-3/4

400

-1 1/5 divided by 6/4

-4/5

500

-1 1/2 x 40%

-3/5

-12/20

Word Problems

100

Yesterday, a pet had 6 3/4 cups of water in its drinking bowl. Today, the pet had 4 1/2 cups remaining. How much water did the pet drink?

2 1/4 cups

200

Yesterday, a pet had 5 3/4 cups of water in its drinking bowl. Today, the pet had 1 1/2 cups remaining. How much water did the pet drink?

4 1/4 cups

300

An adult spent $50 shopping. 90% of that money was spent on groceries. How much was spent on groceries?

$45

400

An adult spent $60 shopping. 80% of that money was spent on groceries. How much was spent on groceries?

$48

500

1. Emma loves fruits. She ate 4/5 fruit servings of bananas in the morning, 1.6 fruit servings of grapes in the afternoon, and 70% fruit servings of oranges at night. How many servings of fruit did she eat all day?

3.1

3 1/10

310%

Converting Rational Numbers

100

Convert to a percent

0.64

64%

200

convert to a fraction

-36%

-36/100

-18/50

-9/25

300

Convert to a decimal

-3/8

-0.375

400

convert to a percent

5/8

62.5%

500

Convert to a fraction

1.6

1 3/5

1 6/10

16/10