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 can buy 5 apples for $10, the unit rate is $2 per apple.

Front

How do you calculate the unit price of an item?

Back

To calculate the unit price, divide the total price by the number of units. For example, if a pack of 10 slices of cheese costs $2.48, the unit price is $2.48 ÷ 10 = $0.248 per slice.

Front

What is the unit rate of 14 inches of snow in 5 hours?

Back

To find the unit rate, divide the total inches of snow by the total hours: 14 inches ÷ 5 hours = 2.8 inches per hour.

Front

If Justin types 408 words in 4 minutes, how do you find his typing speed per minute?

Back

Divide the total words by the total minutes: 408 words ÷ 4 minutes = 102 words per minute.

Front

What is the ratio of dimes to nickels if there are 10 dimes and 5 nickels?

Back

The ratio of dimes to nickels is 10:5, which simplifies to 2:1.

Front

How do you convert a ratio to a unit rate?

Back

To convert a ratio to a unit rate, divide both parts of the ratio by the second part. For example, for a ratio of 10 dimes to 5 nickels, divide both by 5 to get 2:1.

Front

What is the unit price of granola if Will spent $3.75 for 3 pounds?

Back

To find the unit price, divide the total cost by the total weight: $3.75 ÷ 3 pounds = $1.25 per pound.

Front

How do you determine which item is a better deal based on unit prices?

Back

Compare the unit prices of each item. The item with the lower unit price is the better deal.

Front

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

Back

To find the unit rate, divide the total miles by the total hours: 60 miles ÷ 2 hours = 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

To find the unit rate, divide the total miles by the total gallons: 150 miles ÷ 5 gallons = 30 miles per gallon.