Unit Rate

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units.

Front

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

Back

The unit rate is 50 miles per hour (150 miles ÷ 3 hours).

Front

A recipe requires 4 cups of flour for 8 servings. What is the unit rate of flour per serving?

Back

The unit rate is 0.5 cups of flour per serving (4 cups ÷ 8 servings).

Front

What operation is used to find the unit rate?

Back

Division.

Front

If 10 apples cost $5, what is the cost per apple?

Back

The cost per apple (unit rate) is $0.50 (5 dollars ÷ 10 apples).

Front

How would you find the unit rate of 24 cookies for $12?

Back

Divide $12 by 24 cookies to find the cost per cookie, which is $0.50 per cookie.

Front

What is the unit rate of speed if a runner completes 10 kilometers in 50 minutes?

Back

The unit rate is 0.2 kilometers per minute (10 kilometers ÷ 50 minutes).

Front

If a car consumes 15 gallons of gas to travel 300 miles, what is the unit rate in miles per gallon?

Back

The unit rate is 20 miles per gallon (300 miles ÷ 15 gallons).

Front

What is the unit rate of pay if a worker earns $120 for 8 hours of work?

Back

The unit rate is $15 per hour ($120 ÷ 8 hours).