Multiply & Divide Fractions

Jacqueline works 5 days a week. She spends 1/3 of each day at work. The model is shaded to represent the amount of time Jacqueline spends at work each week. Which expression can be used to determine the number of days Jacqueline works each week?

• 5 + 1/2

• 5 + 1/3

• 5 x 1/2

• 5 x 1/3

Darenda worked for 3 weeks. The shaded parts of the model represent the fraction of each week she worked from her home office. Which expression can be used to determine the number of weeks Darenda worked from her home office over these 3 weeks?

• 3 + 3/4

• 3 + 3/7

• 3 x 3/4

• 3 x 3/7

Which model represents 3/5 of 15?

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Weather delayed 4/6 of the 24 flights departing from an airport. All the departing flights are listed in the chart. How many flights departing from the airport were delayed by weather?

• 18

• 4

• 16

• 8

Which model is shaded to represent the quotient of 1/3 ÷ 4?

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Which model represents the expression 4 ÷ 1/8?

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The model is shaded to represent the remaining one-half of a cake. Three friends will each receive an equal amount of the remaining cake until it is all gone. Which equation can be used to determine the fraction of the whole cake each friend will receive?

• 1/2 x 3 = 3/2

• 1/2 x 6 = 6/2

• 1/2 ÷ 3 = 1/6

• 1/2 ÷ 6 = 1/12

Which number line best models the expression 3 ÷ 1/3?

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What is the value of this expression?

1/8 ÷ 4

• 1/32

• 1/2

• 1/12

• 2/1

A recipe for a batch of cookies calls for 1/4 teaspoon of salt. A container of salt has a total of 12 teaspoons of salt. How many batches of cookies can be made using all the salt in this container?

• 3

• 48

• 16

• 8