Best Buy: 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 a quantity of one. It is often used to determine the cost per item or per unit.

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 quantity by the total cost or the total number of items. For example, if 7 pencils cost $1.40, the unit rate is $1.40 ÷ 7 = $0.20 per pencil.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the importance of comparing unit rates?

Back

Comparing unit rates helps consumers determine the best value for their money when purchasing items. It allows for an easy comparison of prices across different quantities.

Tags

CCSS.6.RP.A.3B

Front

If 6 pencils cost $1.26, what is the unit price per pencil?

Back

The unit price per pencil is $1.26 ÷ 6 = $0.21 per pencil.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

When comparing two deals, what should you look for?

Back

When comparing two deals, look for the unit rate of each deal to determine which one offers the best value for the quantity you are purchasing.

Tags

CCSS.6.RP.A.3B

Front

What is the unit rate for 8 dozen oranges costing $52.16?

Back

The unit rate for 8 dozen oranges is $52.16 ÷ 8 = $6.52 per dozen.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you determine the best buy when given multiple options?

Back

To determine the best buy, calculate the unit rate for each option and compare them. The option with the lowest unit rate is the best buy.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price for 5 meters of cloth costing $13.85?

Back

The unit price for 5 meters of cloth is $13.85 ÷ 5 = $2.77 per meter.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 15 kg of tomatoes cost $32.25, what is the cost per kg?

Back

The cost per kg for tomatoes is $32.25 ÷ 15 = $2.15 per kg.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if two items have the same unit rate?

Back

If two items have the same unit rate, it means they offer the same value for the quantity being compared, and the choice may depend on other factors such as brand or quality.

Tags

CCSS.6.RP.A.3A