5- 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 earn $30 for 3 hours of work, the unit rate is $10 per hour.

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 have 60 miles driven in 3 hours, the unit rate is 60 miles ÷ 3 hours = 20 miles per hour.

Front

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

Back

$7.50 per hour.

Front

Ricky made $600 in two weeks. Find the unit rate.

Back

$300 per week.

Front

The computer downloads 1,680 kilobytes in 4 minutes. Find the unit rate.

Back

420 kb per minute.

Front

Lisa made $300 in 6 hours. Find the unit rate.

Back

$50 per hour.

Front

Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?

Back

6 mph.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.

Front

What does it mean if a unit rate is higher?

Back

A higher unit rate indicates a greater quantity per unit of measure, meaning more efficiency or productivity.