Better Buy!

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 single unit. For example, if 8 apples cost $5.20, the unit rate is the cost per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the price per ounce?

Back

To calculate the price per ounce, divide the total price by the number of ounces. For example, if a 15 oz box costs $5.85, the price per ounce is $5.85 ÷ 15.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does 'better buy' mean?

Back

'Better buy' refers to the option that offers more value for the price, often determined by comparing unit prices or total costs.

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

Front

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

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

The cost per kg is $8.72 ÷ 4 kg = $2.18 per kg.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is a better buy: 20 fl. oz. for $1.80 or 35 fl. oz. for $3.50?

Back

20 fl. oz. for $1.80 is a better buy because it has a lower price per ounce.

Tags

CCSS.6.RP.A.3B

Front

How do you determine which option is a 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

What is the total cost for 8 dozen oranges if each dozen costs $6.52?

Back

The total cost is 8 dozen × $6.52 = $52.16.

Tags

CCSS.7.EE.B.3

Front

If 5 dozen oranges cost $33.77, what is the cost per dozen?

Back

The cost per dozen is $33.77 ÷ 5 = $6.75.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the price per ounce for 11 oz of cereal costing $4.75?

Back

The price per ounce is $4.75 ÷ 11 oz = $0.43 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2