Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one. It tells you how much of one item corresponds to one unit of another item.

Front

If Maya makes $10 an hour, how many hours will it take her to earn $150?

Back

15 hours

Front

What is the unit cost if you ordered 15 pizzas for $97.50?

Back

$6.50 per pizza

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

If Ernie travels 195 miles in 3 hours, how far will he travel in 5 hours?

Back

325 miles

Front

What is the formula to find the unit price?

Back

Unit Price = Total Price ÷ Number of Units.

Front

Which size bag of dog food has the lowest cost per pound if a 20-lb bag costs $23.44?

Back

The 20-lb bag has the lowest cost per pound.

Front

What is the unit rate of $40 for 5 pounds of concrete?

Back

$8 per pound

Front

If you buy 8 pizzas for $48, what is the unit cost per pizza?

Back

$6 per pizza