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 you travel 60 miles in 2 hours, the unit rate is 30 miles per hour.

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 you can type 408 words in 4 minutes, divide 408 by 4 to find the unit rate of 102 words per minute.

Front

If a car travels 120 miles in 2 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

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If you buy 12 apples for $3, what is the unit rate in dollars per apple?

Back

$0.25 per apple.

Front

What is the unit rate of 36 cookies for $4?

Back

9 cookies per dollar.

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If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

Front

If a runner completes 5 miles in 40 minutes, what is the unit rate in miles per minute?

Back

0.125 miles per minute.

Front

What is the unit rate of 150 pages read in 3 hours?

Back

50 pages per hour.

Front

If a recipe requires 4 cups of flour for 2 cakes, what is the unit rate in cups of flour per cake?

Back

2 cups of flour per cake.

Front

If a car can travel 300 miles on 10 gallons of gas, what is the unit rate in miles per gallon?

Back

30 miles per gallon.