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 3 apples for $6, the unit rate is $2 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 earn $600 in 2 weeks, the unit rate is $600 ÷ 2 = $300 per week.

Front

If Rose spent $2.00 for 20 pieces of gum, what is the unit rate per piece of gum?

Back

The unit rate is $2.00 ÷ 20 = $0.10 per piece of gum.

Front

If Joe spent $1.50 for 10 pieces of gum, what is the unit rate per piece of gum?

Back

The unit rate is $1.50 ÷ 10 = $0.15 per piece of gum.

Front

Who got the better deal: Rose or Joe?

Back

Rose got the better deal because her unit rate of $0.10 per piece of gum is less than Joe's $0.15 per piece.

Front

Ricky made $600 in two weeks. What is his unit rate per week?

Back

Ricky's unit rate is $600 ÷ 2 = $300 per week.

Front

Christina biked 36 miles in 6 hours. What is her speed in miles per hour?

Back

Christina's speed is 36 miles ÷ 6 hours = 6 mph.

Front

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

Back

Ilana makes $45 ÷ 6 = $7.50 per hour.

Front

Lisa made $300 in 6 hours. What is her unit rate per hour?

Back

Lisa's unit rate is $300 ÷ 6 = $50 per hour.

Front

What is the importance of unit rates in real life?

Back

Unit rates help compare prices, speeds, and other quantities, making it easier to make informed decisions.