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 drive 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate miles per gallon?

Back

To calculate miles per gallon, divide the total number of miles driven by the total gallons of gas used. For example, if you drive 78 miles using 3 gallons of gas, the calculation is 78 miles ÷ 3 gallons = 26 miles per gallon.

Front

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

Back

The unit rate is 60 miles per hour, calculated by dividing 120 miles by 2 hours.

Front

What is the unit rate of 45 miles in 1 hour?

Back

The unit rate is 45 miles per hour.

Front

How many quarts are in 1 gallon?

Back

There are 4 quarts in 1 gallon.

Front

If Krystyn walked 10 kilometers in 2 trips, how far did she walk per trip?

Back

She walked 5 kilometers per trip, calculated by dividing 10 kilometers by 2 trips.

Front

How many trips will Krystyn need to make to walk 15 kilometers if she walks 5 kilometers per trip?

Back

Krystyn will need to make 3 trips, calculated by dividing 15 kilometers by 5 kilometers per trip.

Front

If Peter brought 11 quarts of lemonade, how many gallons did he bring?

Back

Peter brought 2.75 gallons of lemonade, calculated by dividing 11 quarts by 4 quarts per gallon.

Front

What is the formula to find the unit rate?

Back

The formula to find the unit rate is: Unit Rate = Total Quantity / Number of Units.

Front

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

Back

The unit rate is 0.25 cups of flour per cookie, calculated by dividing 3 cups by 12 cookies.