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 buy 5 pounds of concrete for $40, the unit rate is $8 per pound.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total amount of one quantity by the total amount of the other quantity. For example, if 40 dollars is spent on 5 pounds of concrete, the unit rate is calculated as 40 ÷ 5 = 8.

Front

What is the unit rate of 35 diapers costing $6.99?

Back

The unit rate is $0.20 per diaper.

Front

If you travel 195 miles in 3 hours, what is your speed in miles per hour?

Back

Your speed is 65 miles per hour (195 miles ÷ 3 hours).

Front

What operation do ratios involve?

Back

Ratios involve division.

Front

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

Back

The ratio is 20/9.

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: as a fraction (20/9), with a colon (20:9), or in words (20 to 9).

Front

What is the unit rate of 60 miles in 2 hours?

Back

The unit rate is 30 miles per hour.

Front

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

Back

The unit rate is 30 miles per gallon.

Front

What is the unit price if 10 pounds of rice costs $15?

Back

The unit price is $1.50 per pound.