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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you buy 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of a cheetah that runs 60 feet in 4 seconds?

Back

The unit rate is 60 feet ÷ 4 seconds = 15 feet per second.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit price of Sargento cheese slices that cost $2.48 for 10 slices?

Back

The unit price is $2.48 ÷ 10 slices = $0.248 per slice.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you compare unit prices?

Back

To compare unit prices, calculate the unit price for each item and then compare those values. The item with the lower unit price is the better deal.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of Kraft sour cream that costs $2.55 for 16 oz?

Back

The unit price is $2.55 ÷ 16 oz = $0.159375 per oz.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is a better deal: Daisy sour cream at $1.49 for 8 oz or Kraft sour cream at $2.55 for 16 oz?

Back

Kraft sour cream is the better deal because it has a lower unit price of approximately $0.159 per oz compared to Daisy's $0.186 per oz.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of Coca-Cola that costs $1.29 for 1.25 L?

Back

The unit price is $1.29 ÷ 1.25 L = $1.032 per L.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of Pepsi that costs $2.49 for 2 L?

Back

The unit price is $2.49 ÷ 2 L = $1.245 per L.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is a better deal: Coca-Cola at $1.29 for 1.25 L or Pepsi at $2.49 for 2 L?

Back

Coca-Cola is the better deal because it has a lower unit price of approximately $1.032 per L compared to Pepsi's $1.245 per L.

Tags

CCSS.6.RP.A.3B