Rates/Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit. It shows how much of one item is compared to one unit of another item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

60 miles per hour (300 miles ÷ 5 hours = 60 mph).

Front

If a person earns $150 for 10 hours of work, what is the hourly wage?

Back

$15 per hour ($150 ÷ 10 hours = $15/hour).

Front

What is the unit rate for 8 ribbons costing $1.52?

Back

$0.19 per ribbon ($1.52 ÷ 8 ribbons = $0.19/ribbon).

Front

How do you find the unit price of an item?

Back

Divide the total cost by the number of items to find the cost per item.

Front

If a bike rental costs $79.80 for 6 hours, what is the rate per hour?

Back

$13.30 per hour ($79.80 ÷ 6 hours = $13.30/hour).

Front

Which is faster: 250 miles in 4 hours or 300 miles in 5 hours?

Back

250 miles in 4 hours (62.5 mph vs. 60 mph).

Front

What is the unit rate for 10 days of work for 2 jobs?

Back

5 days per job (10 days ÷ 2 jobs = 5 days/job).