Math 6 - Lesson 5.5 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 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, if you have 18 houses on 2 blocks, the unit rate is 18 ÷ 2 = 9 houses per block.

Front

Find the unit rate: 18 houses on 2 blocks = ________ houses per block

Back

9

Front

Find the unit rate: 32 liters in 2 minutes = ________ liters per minute

Back

16

Front

If I paid $15.00 for 6 gallons of gasoline, what was the price PER gallon?

Back

$2.50

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound

Front

Find the unit rate: 9 chairs in 3 rows = _________ chairs per row

Back

3

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.

Front

What does it mean if a unit rate is expressed as 'per 1'?

Back

It means that the rate is calculated for one unit of the second quantity, making it easier to compare different rates.