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 a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

If Jose swims 3 laps in 2 minutes, how many laps does he swim in 1 minute?

Back

1.5 laps per minute.

Front

How do you determine which option is a better buy?

Back

To determine the better buy, calculate the unit price for each option and compare them. The option with the lower unit price is the better buy.

Front

What is the unit price of a 4-pack of t-shirts for $2.24?

Back

$2.24 ÷ 4 = $0.56 per t-shirt.

Front

If a 6-pack of t-shirts costs $3.12, what is the unit price?

Back

$3.12 ÷ 6 = $0.52 per t-shirt.

Front

How do you find the cost of one item from a total cost?

Back

Divide the total cost by the number of items. For example, if 5 tickets cost $37.50, the cost per ticket is $37.50 ÷ 5 = $7.50.

Front

If 12 laps are completed in 8 minutes, what is the rate in laps per minute?

Back

1.5 laps per minute.

Front

If 15 laps are completed in 9 minutes, what is the rate in laps per minute?

Back

1.67 laps per minute.

Front

Which is faster: 12 laps in 8 minutes or 15 laps in 9 minutes?

Back

12 laps in 8 minutes is faster at 1.5 laps per minute.