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 one unit. 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 number of units of another item. For example, if you run 12 miles in 3 hours, the unit rate is 12 miles ÷ 3 hours = 4 miles per hour.

Front

What operation do you use to find a unit rate?

Back

Division.

Front

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

Back

3 miles.

Front

Tyler runs 12 miles in 3 hours. What is his running rate in miles per hour?

Back

4 miles per hour.

Front

If Brad drives 527 miles on 17 gallons, how many miles does he drive per gallon?

Back

31 miles per gallon.

Front

A train travels 1,230 miles in 5 hours. What is its speed in miles per hour?

Back

246 miles per hour.

Front

What is the unit rate of 15 apples for $3?

Back

5 apples per dollar.

Front

If a recipe requires 4 cups of flour for 2 cakes, what is the unit rate of flour per cake?

Back

2 cups of flour per cake.

Front

How do you express a unit rate as a fraction?

Back

A unit rate can be expressed as a fraction where the numerator is the quantity of interest and the denominator is the number of units. For example, 60 miles per hour can be written as 60/1.