Unit Rate

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 a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 12 apples for $3, the unit rate is $3 ÷ 12 = $0.25 per apple.

Front

What is the unit rate of 152 text messages in 4 days?

Back

38 text messages per day.

Front

If a train travels 1,230 miles in 5 hours, what is the unit rate?

Back

246 miles per hour.

Front

How do you find the better deal between two options?

Back

Calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Front

What is the unit rate for 12 gallons of gas for $33?

Back

$2.75 per gallon.

Front

What is the unit rate for 5 gallons of gas for $14?

Back

$2.80 per gallon.

Front

If Peter paid $79.80 for renting a bike for 6 hours, what was the rate per hour?

Back

$13.30 per hour.

Front

What does it mean to express a quantity as a unit rate?

Back

Expressing a quantity as a unit rate means simplifying the comparison to show how much of one quantity corresponds to one unit of another quantity.

Front

If Benny divided 57.2 gallons of paint among 4 containers, how much paint is in each container?

Back

14.3 gallons per container.