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 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you buy 4 apples for $2, the unit rate is $2 ÷ 4 apples = $0.50 per apple.

Front

If a machine packs 70 boxes in 5 minutes, how many boxes does it pack in 1 minute?

Back

14 boxes per minute.

Front

If Maya makes $10 an hour, how much does she make in 15 hours?

Back

$150.

Front

What is the unit rate of $40 for 5 pounds of concrete?

Back

$8 per pound.

Front

If water flows at a rate of 5 gallons every 25 seconds, how many gallons flow in 1 second?

Back

0.2 gallons per second.

Front

How many words can Julie type in 1 hour if she types 300 words in 5 minutes?

Back

3600 words in an hour.

Front

If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

If a recipe requires 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

0.25 cups of flour per cookie.

Front

If a person runs 10 miles in 2 hours, what is their speed in miles per hour?

Back

5 miles per hour.