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 can buy 6 apples for $3, the unit rate is $0.50 per apple.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you drove 90 miles using 15 gallons of gas, the unit rate is 90 miles ÷ 15 gallons = 6 miles per gallon.

Front

Find the unit rate of $97.50 for 15 pizzas.

Back

$6.50 per pizza.

Front

Ilana made $45 babysitting for 6 hours. How much does she make per hour?

Back

$7.50 per hour.

Front

Joshua drove 90 miles on 15 gallons of gas. Find the unit rate.

Back

6 mpg.

Front

I paid $15.00 for 6 gallons of gasoline. What was the price PER gallon?

Back

$2.50.

Front

Elijah earns $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

Back

$25 per hour.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 300 miles on 10 gallons of gas, what is the unit rate in miles per gallon?

Back

30 mpg.

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, 45 miles in 3 hours can be expressed as 45/3 = 15 miles per hour.