Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if a car travels 60 miles in 1 hour, the unit rate is 60 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if 4 pounds of bananas cost $6, the unit rate is $6 ÷ 4 = $1.50 per pound.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 32 minutes?

Back

8 customers.

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CCSS.6.RP.A.3B

Front

What is the unit rate for 408 words typed in 4 minutes?

Back

102 words per minute.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Juju bought 5 books for $7, how much does one book cost?

Back

$1.40.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate for 120 miles traveled in 4 hours?

Back

30 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 180 miles in 3 hours, what is the speed in miles per hour?

Back

60 miles per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the cost per item when given the total cost and quantity?

Back

Divide the total cost by the number of items. For example, if 10 apples cost $5, the cost per apple is $5 ÷ 10 = $0.50.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate for 15 cookies baked in 3 hours?

Back

5 cookies per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a runner completes 5 laps in 20 minutes, what is the unit rate in laps per minute?

Back

0.25 laps per minute.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2