Unit Rates

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 you can buy 5 apples for $10, the unit rate is $2 per apple.

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 you have 25 pens for $1.00, the unit rate is $1.00 ÷ 25 = $0.04 per pen.

Front

If a person can type 408 words in 4 minutes, how do you find the words per minute?

Back

To find words per minute, divide the total words by the total minutes. In this case, 408 words ÷ 4 minutes = 102 words per minute.

Front

What is the unit rate of cost per piece of gum if Rose spent $2.00 for 20 pieces?

Back

The unit rate is $2.00 ÷ 20 pieces = $0.10 per piece of gum.

Front

How do you determine who got the better deal when comparing prices?

Back

To determine who got the better deal, calculate the unit rate for each option and compare them. The lower unit rate indicates a better deal.

Front

What is the unit rate of pages read per minute if 3 pages are read in 9 minutes?

Back

The unit rate is 3 pages ÷ 9 minutes = 0.33 pages per minute.

Front

If Joe spent $1.50 for 10 pieces of gum, what is the cost per piece?

Back

The cost per piece is $1.50 ÷ 10 pieces = $0.15 per piece of gum.

Front

What is the price per candy bar if 9 candy bars cost $13.50?

Back

The price per candy bar is $13.50 ÷ 9 = $1.50 per candy bar.

Front

How do you find the unit rate of speed in miles per hour?

Back

To find the unit rate of speed, divide the total distance traveled by the total time taken. For example, if you travel 60 miles in 1 hour, the speed is 60 miles per hour.

Front

What is the unit rate of cost per item if you buy 12 items for $24?

Back

The unit rate is $24 ÷ 12 items = $2 per item.