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. It is often used to determine the cost per item or the speed per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if 4 pounds of bananas cost $6, the unit rate is $6 ÷ 4 = $1.50 per pound.

Front

If 36 cookies cost $4, what is the unit rate in cookies per dollar?

Back

9 cookies per dollar.

Front

What is the unit rate for 44 stamps on 4 sheets?

Back

11 stamps per sheet.

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 unit rate for 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a car travels 120 miles in 3 hours, what is the unit rate in miles per hour?

Back

40 miles per hour.

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 total quantity and the denominator is the number of units. For example, 9 cookies for $1 can be expressed as 9/1.

Front

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

Back

$0.20 per apple.

Front

If a recipe requires 4 cups of flour for 8 servings, what is the unit rate of flour per serving?

Back

0.5 cups of flour per serving.