Unit 7 Unit Rates 2024

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 the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if you have 12 apples for $3, the unit rate is 12 ÷ 3 = 4 apples per dollar.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a 12 ounce can of corn costs $1.92, what is the cost per ounce?

Back

The cost per ounce is $1.92 ÷ 12 = $0.16 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a 20 ounce can of corn costs $3.00, what is the cost per ounce?

Back

The cost per ounce is $3.00 ÷ 20 = $0.15 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is the better buy: 12 ounces for $1.92 or 20 ounces for $3.00?

Back

The 20 ounce can is the better buy because it costs $0.15 per ounce compared to $0.16 per ounce for the 12 ounce can.

Tags

CCSS.6.RP.A.3B

Front

How do you find the better deal when comparing prices?

Back

To find the better deal, calculate the unit rate for each option and compare them. The option with the lower unit rate is the better deal.

Tags

CCSS.6.RP.A.3B

Front

If Carol found a gas station offering 12 gallons for $33, what is the cost per gallon?

Back

The cost per gallon is $33 ÷ 12 = $2.75 per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Alex found another station offering 5 gallons for $14, what is the cost per gallon?

Back

The cost per gallon is $14 ÷ 5 = $2.80 per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which gas station offers the better deal: 12 gallons for $33 or 5 gallons for $14?

Back

The gas station offering 12 gallons for $33 is the better deal because it costs $2.75 per gallon compared to $2.80 per gallon.

Tags

CCSS.6.RP.A.3B

Front

If Karen processed 18 orders in 3 days, how many orders did she process per day?

Back

Karen processed 18 ÷ 3 = 6 orders per day.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2