Best Buy and Unit Rate

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 the unit rate?

Back

To calculate the unit rate, divide the total amount of one quantity by the total amount of the other quantity.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is the better buy: A 4 pack of t-shirts for $2.24 or a 6-pack for $3.12?

Back

A 6-pack for $3.12 is the better buy.

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CCSS.6.RP.A.3B

Front

What is the unit price of kidney beans at $1.18 per lb?

Back

$1.18 per lb.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If lima beans cost $2.13 for 2 lb, what is the unit price?

Back

$1.065 per lb.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you determine which item is a better buy?

Back

Compare the unit prices of each item; the one with the lower unit price is the better buy.

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CCSS.6.RP.A.3B

Front

If Christina biked 36 miles in 6 hours, what was her speed in miles per hour?

Back

6 mph.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Elijah earns $200 for 8 hours of work, what is his hourly wage?

Back

$25 per hour.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating unit price?

Back

Unit Price = Total Price / Quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2