Unit Rate Review

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 one unit. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if 12 apples cost $3, the unit rate is $3 ÷ 12 = $0.25 per apple.

Front

What is the unit rate of 54 miles in 6 hours?

Back

9 miles per hour.

Front

If 4 boxes of cereal cost $9.00, what is the cost per box?

Back

$2.25 per box.

Front

How do you find the total cost if you know the unit rate?

Back

Multiply the unit rate by the number of units. For example, if the unit rate is $2.25 per box and you buy 4 boxes, the total cost is $2.25 × 4 = $9.00.

Front

What is the unit rate of $23.45 for 7 pounds of gum-balls?

Back

$3.35 per pound.

Front

If a store sells avocados at $0.98 each, what is the cost for 10 avocados?

Back

$9.80.

Front

What does it mean if a store has a lower unit rate than another?

Back

It means that the store offers a better price for the same quantity of goods.

Front

How can you compare unit rates from different stores?

Back

Calculate the unit rate for each store and compare the values. The store with the lowest unit rate offers the best deal.

Front

If you have $92.00, how many boxes of cereal can you buy if each box costs $2.25?

Back

40 boxes.