6.RP.2 - Unit Rate & Best Deal

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 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 15 kg of tomatoes for $32.25, the unit rate is $32.25 ÷ 15 kg.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the best deal?

Back

The best deal is the option that offers the lowest price per unit of measurement, such as price per ounce, price per pound, or price per item.

Tags

CCSS.6.RP.A.3B

Front

How do you determine which option is the better buy?

Back

To determine the better buy, calculate the unit price for each option and compare them. The option with the lower unit price is the better buy.

Tags

CCSS.6.RP.A.3B

Front

If 4 kg of tomatoes cost $8.72, what is the unit price per kg?

Back

To find the unit price, divide $8.72 by 4 kg. The unit price is $2.18 per kg.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a 2-ounce bottle of soap costs $1.80, what is the cost per ounce?

Back

To find the cost per ounce, divide $1.80 by 2 ounces. The cost per ounce is $0.90.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit price of Doritos if 11.5 oz costs $4.39?

Back

To find the unit price, divide $4.39 by 11.5 oz. The unit price is approximately $0.38 per oz.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you compare two different products to find the best deal?

Back

Calculate the unit price for each product and compare them. The product with the lower unit price is the better deal.

Tags

CCSS.6.RP.A.3B

Front

If Rose spent $2.00 for 20 pieces of gum, what is the cost per piece?

Back

To find the cost per piece, divide $2.00 by 20 pieces. The cost per piece is $0.10.

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1

Front

What is the unit price of Cheetos if 9.75 oz costs $3.24?

Back

To find the unit price, divide $3.24 by 9.75 oz. The unit price is approximately $0.33 per oz.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2