Unit 4 Review

Where James lives, the average high is 74.9º F. The average low is 53.2º F. Which equation best estimates the difference in the temperatures?

• 75 - 53 = 22

• 74 - 53 = 21

• 75 - 54 = 21

• 74 - 54 = 20

Emily's cookie recipe calls for 1.25 cups of white sugar and 1.75 cups of brown sugar. Which equation best estimates how much total sugar she needs?

• 2 - 1 = 1

• 2 + 2 = 4

• 1 + 2 = 3

• 1 + 1 = 2

0.5 + 0.2 =

• 0.07

• 0.7

• 0.52

• 5.2

0.3 + 0.9 =

• 0.012

• 0.6

• 0.12

• 1.2

0.8 - 0.34 =

• 0.46

• 0.26

• 0.21

• 0.42

0.6 - 0.29 =

• 0.31

• 0.35

• 0.89

• 0.1

Sarah's recipe calls for 0.6 cup of milk and 0.32 cup of broth. How much liquid does Sarah need for the recipe?

• 0.92 cup

• 0.38 cup

• 1.32 cup

• 1.6 cups

The hot chocolate mix has 0.85 cup of cocoa and 0.7 cup of sugar. How much mix is this?

• 1.5 cups

• 1.55 cups

• 0.92 cup

• 0.15 cup

Susan ran 10.3 miles on Saturday and 12.4 miles on Sunday. How many more miles did she run on Sunday?

• 2.1 miles

• 22.7 miles

• 2 miles

• 0.9 mile

Avery walked 2.31 miles yesterday. She walked 3.78 miles today. About how many miles did she walk all together?