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 3 apples for $1, the unit rate is $0.33 per apple.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you drive 150 miles using 5 gallons of gas, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

Front

If Joanna made $104.50 for 11 hours of work, what is her hourly wage?

Back

To find the hourly wage, divide the total earnings by the total hours worked: $104.50 ÷ 11 hours = $9.50 per hour.

Front

What is the unit price of an item?

Back

The unit price is the cost of a single unit of a product, often used to compare prices of different sizes or brands.

Front

If 8 cans of soda cost $3, what is the unit price?

Back

To find the unit price, divide the total cost by the number of cans: $3 ÷ 8 cans = $0.375 per can, rounded to $0.38.

Front

How do you find the unit rate of items bought?

Back

To find the unit rate, divide the total cost by the number of items. For example, if 25 pens cost $1.00, the unit rate is $1.00 ÷ 25 pens = $0.04 per pen.

Front

What is the unit rate of miles per gallon?

Back

The unit rate of miles per gallon is calculated by dividing the total miles driven by the total gallons of gas used.

Front

If Joshua drove 90 miles on 15 gallons of gas, what is his fuel efficiency?

Back

To find the fuel efficiency, divide the miles driven by the gallons used: 90 miles ÷ 15 gallons = 6 miles per gallon.

Front

How do you calculate problems solved per minute?

Back

To calculate problems solved per minute, divide the total number of problems by the total time in minutes.

Front

If Kevin can complete 45 multiplication problems in 2 minutes, what is his rate?

Back

To find the rate, divide the problems by the time: 45 problems ÷ 2 minutes = 22.5 problems per minute.