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 there are 120 customers in 6 hours, the unit rate is 120 ÷ 6 = 20 customers per hour.

Front

If a candy bar has 40 calories per serving, how many calories are there in 4 servings?

Back

160 calories (40 calories/serving x 4 servings = 160 calories).

Front

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

Back

20 customers per hour (120 customers ÷ 6 hours = 20 customers/hour).

Front

Which is NOT a rate?

Back

3 hours: 2 hours (this compares time to time, not a quantity to a quantity).

Front

You're throwing a party and you order 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

Back

$6.50 per pizza ($97.50 ÷ 15 pizzas = $6.50/pizza).

Front

6 movie tickets cost $30.00. What is the cost per ticket (unit rate)?

Back

$5 per ticket ($30.00 ÷ 6 tickets = $5/ticket).

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Quantity ÷ Number of Units.

Front

If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

Back

60 miles per hour (240 miles ÷ 4 hours = 60 miles/hour).

Front

What is an example of a rate?

Back

Speed is a rate; for example, 50 miles per hour.