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 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 quantity of one item by the number of units of another item. For example, if you buy 4 apples for $2, the unit rate is $2 ÷ 4 apples = $0.50 per apple.

Front

If it snowed 14 inches in 5 hours, what is the unit rate of snowfall per hour?

Back

2.8 inches per hour.

Front

How do you determine which option is a better deal when comparing unit rates?

Back

Calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Front

If babysitting for 8 hours earns $72, what is the hourly rate?

Back

$72 ÷ 8 hours = $9 per hour.

Front

If Maria flies 1,000 miles in 10 hours, how many miles does she fly in 1 hour?

Back

100 miles.

Front

What is the price per ticket if the Williams family bought 4 concert tickets for $252?

Back

$63 per ticket.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

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 in 5 hours, what is the speed in miles per hour?

Back

60 miles per hour.