Unit Rate Review

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 travel 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 first quantity by the second quantity. For example, if you have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

What is the unit rate for $4 for 5 minutes?

Back

$0.80/min

Front

What is the unit rate for 2,000 miles on 68 gallons of gas?

Back

29.4 mpg

Front

What is the unit rate for $20 for 4 hours?

Back

$5/hr

Front

Which is the better buy: $55 for 100 items or $45 for 80 items?

Back

$45 for 80 items (Option B) is the better buy.

Front

What is the unit rate for $30 for 3.5 hours?

Back

$8.57/hr

Front

If a car travels 150 miles on 5 gallons of gas, what is the unit rate in miles per gallon?

Back

30 mpg

Front

What is the unit rate for 12 cookies for $3?

Back

$0.25 per cookie

Front

How do you compare unit rates?

Back

To compare unit rates, calculate the unit rate for each option and then compare the values. The lower the unit rate, the better the deal.