Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

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 drive 300 miles on 10 gallons of gas, the unit rate is 300 miles ÷ 10 gallons = 30 miles per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of 527 miles on 17 gallons?

Back

31 miles per gallon (mpg).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is a better deal: 8 packs of paper for $6.40 or 3 packs for $2.55?

Back

8 packs of paper for $6.40 is the better deal.

Tags

CCSS.6.RP.A.3B

Front

How do you determine which option has a lower unit price?

Back

Calculate the price per unit for each option by dividing the total price by the number of units. Compare the results.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of 7 boxes of chicken nuggets for $25.90?

Back

The unit price is $25.90 ÷ 7 boxes = approximately $3.70 per box.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit price of 3 boxes of chicken fingers for $11.07?

Back

The unit price is $11.07 ÷ 3 boxes = approximately $3.69 per box.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which has a higher unit price: 7 boxes of chicken nuggets for $25.90 or 3 boxes of chicken fingers for $11.07?

Back

Restaurant 1 (7 boxes for $25.90) has a higher unit price.

Tags

CCSS.6.RP.A.3B

Front

What is the unit rate of a train traveling 1,230 miles in 5 hours?

Back

246 miles per hour (mph).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the better deal between two prices?

Back

Calculate the unit price for both options and compare them. The option with the lower unit price is the better deal.

Tags

CCSS.6.RP.A.3B