Unit Rate, Fractional Unit Rates, and Comparing 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 a car travels 60 miles in 1 hour, 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 price of an item?

Back

To calculate the unit price, divide the total price of the item by the number of units. For example, if a pack of 12 eggs costs $3.00, the unit price is $3.00 ÷ 12 = $0.25 per egg.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit price of Crayola crayons that cost $6.97 for 120 crayons?

Back

The unit price is $6.97 ÷ 120 = $0.0581 per crayon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit price of Rose Art crayons that cost $1.53 for 24 crayons?

Back

The unit price is $1.53 ÷ 24 = $0.0638 per crayon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is the better deal: Crayola crayons or Rose Art crayons?

Back

Crayola crayons are the better deal because they have a lower unit price of $0.0581 per crayon compared to Rose Art's $0.0638.

Tags

CCSS.6.RP.A.3B

Front

What is a fractional unit rate?

Back

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate of jumping jacks completed in a minute?

Back

To find the unit rate, simply state the number of jumping jacks completed in one minute. For example, if Jackie completed 40 jumping jacks in 1 minute, her unit rate is 40 jumping jacks/minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Elijah earns $200 for 8 hours of work, what is his unit rate in dollars per hour?

Back

To find the unit rate, divide the total earnings by the total hours worked: $200 ÷ 8 hours = $25 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is an example of a unit rate?

Back

An example of a unit rate is $3.18 for 1 slice of pizza.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you compare two rates to determine the better deal?

Back

To compare two rates, calculate the unit price for each option and then compare the unit prices. The option with the lower unit price is the better deal.

Tags

CCSS.6.RP.A.3B