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 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, to find the unit rate of 234 miles for 13 gallons, divide 234 by 13 to get 18 miles per gallon.

Front

Find the unit rate: 234 miles / 13 gallons.

Back

18 miles / gallon.

Front

If it snowed 14 inches in 5 hours, what is the unit rate?

Back

2.8 inches per hour.

Front

Find the unit rate: 45 Words / 3 Minutes.

Back

15 Words/Minute.

Front

What is the unit price of an item?

Back

The unit price is the cost per single unit of measure, such as per ounce or per item, which helps compare prices of different products.

Front

Calculate the unit price of Cheerios priced at $3.68 for 17 oz.

Back

$0.216 per ounce.

Front

Calculate the unit price of Apple Jacks priced at $2.89 for 13 oz.

Back

$0.222 per ounce.

Front

Which is the better deal: Cheerios or Apple Jacks?

Back

Cheerios, as it has a lower unit price.

Front

Jackson made 252 calls in 36 days. What is the average number of calls he made in a day?

Back

7 calls per day.