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 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 quantity of one item by the quantity of another item. For example, if you have 12 apples for 3 dollars, the unit rate is 12 apples ÷ 3 dollars = 4 apples per dollar.

Front

If John runs 18 miles in 6 hours, how many miles does he run in 1 hour?

Back

3 miles.

Front

What is the unit rate if John drives 54 miles in 9 days?

Back

6 miles per day.

Front

Which operation do you use to find a unit rate?

Back

Division.

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

If Maria flies 1,000 miles in 10 hours, how many miles does she fly in 1 hour?

Back

100 miles.

Front

What is the unit rate for 24 miles in 2 hours?

Back

12 miles per hour.

Front

If a car travels 150 miles in 3 gallons of gas, what is the unit rate of miles per gallon?

Back

50 miles per gallon.

Front

How do you express a unit rate in terms of time?

Back

A unit rate can be expressed as a quantity per unit of time, such as miles per hour or dollars per minute.