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.

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 have 150 calories in 3 servings, the unit rate is 150 ÷ 3 = 50 calories per serving.

Front

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

Back

8 customers.

Front

What is the equivalent rate of $9 per hour?

Back

$27 in 3 hours.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

How far will Ashley's car run in 5 hours if it runs at 65 miles per hour?

Back

325 miles in 5 hours.

Front

What is the equivalent rate of 6 miles per gallon?

Back

18 miles to 3 gallons.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a recipe requires 4 cups of flour for 2 loaves of bread, what is the unit rate of flour per loaf?

Back

2 cups of flour per loaf.

Front

How do you convert a rate to a unit rate?

Back

Divide both quantities by the same number to simplify the rate to a unit rate.