5th Grade Multiplying Decimals and Whole Numbers

One grape weighs 5.3 ounces. How much do 6 grapes weigh?

Nathalie swims for 0.24 minutes. Chloe swims 4 times as long as Nathalie. Which model can be used to find the total amount of time Chloe swims?

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At the school store, erasers cost $0.15. Blake bought 6 erasers. What was the total cost?

• $0.90

• $0.09

• $9.00

• $0.99

Pilar colored in a decimal grid to multiply two decimals. What multiplication equation is represented by the model? 

• 3 × 0.21 = 0.63

• 0.3 × 0.7 = 0.21

• 3 × 0.7 = 2.1

• 0.3× 0.7 = 2.1

Molly planted vegetables in 0.6 of her garden and flowers in the rest of it. She planted green beans in 0.4 of the vegetable section of the garden. How much of her garden was planted with green beans?

Emily had 0.5 gallons of gasoline in the gas tank of her car. She drove to her friend's house and used 0.4 of this amount.

Which diagram represents how many gallons of gasoline Emily used to drive to he friend's house?

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A trail at the park is 4.2 miles long. John ran the trail 2.5 times. How many miles did he run?

There are 5 basketballs on a rack at the gym. Each one weighs 20.5 ounces. What is the total weight of the basketballs on the rack?

• 1.025

• 10.25

• 102.5

• 100

A cake recipe calls for 1.25 cups of milk. How many cups of milk will be needed to make 4 cakes?

• .5

• 5

• .05

• 50

Liam’s school had a fun run. The course was 0.7 mile long. Liam ran 0.4 of the course and walked the rest. How far did he run?

• 2.8

• .28

• 28

• .028