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 first quantity by the second quantity. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

If Maya makes $10 an hour, how many hours will it take her to earn $150?

Back

15 hours

Front

A machine can pack 70 boxes in 5 minutes. How many boxes can it pack in 8 minutes?

Back

112 boxes

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound

Front

If Ashley's car runs 65 miles per hour, how far will it run in 5 hours?

Back

325 miles in 5 hours

Front

The Williams family bought 4 concert tickets for $148. What was the price per ticket?

Back

$37

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

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

How do you convert a rate to a unit rate?

Back

To convert a rate to a unit rate, divide both quantities by the same number to simplify it to a per unit basis.