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 of customers per hour?

Back

To calculate the unit rate of customers per hour, divide the total number of customers by the total number of hours. For example, 120 customers ÷ 8 hours = 15 customers per hour.

Tags

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

To find the unit rate, divide the total cost by the total weight: $40 ÷ 5 pounds = $8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the price per ounce if a 30 oz. jar of mayonnaise costs $3.00?

Back

To find the price per ounce, divide the total price by the total ounces: $3.00 ÷ 30 oz. = $0.10 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you compare unit prices to find the better deal?

Back

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

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of Coca-Cola if it costs $1.29 for 1.25 L?

Back

To find the unit price, divide the total price by the total volume: $1.29 ÷ 1.25 L = $1.032 per L.

Tags

CCSS.6.RP.A.3B

Front

What is the unit price of Pepsi if it costs $2.49 for 2 L?

Back

To find the unit price, divide the total price by the total volume: $2.49 ÷ 2 L = $1.245 per L.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is the better buy: 4 for $1.99 or $6 for 2.99?

Back

Calculate the unit price for each: 4 for $1.99 = $1.99 ÷ 4 = $0.4975 each; $6 for 2.99 = $2.99 ÷ 6 = $0.4983 each. The better buy is 4 for $1.99.

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find the unit rate?

Back

The formula to find the unit rate is: Unit Rate = Total Quantity / Number of Units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

To find the unit rate, divide the total miles by the total hours: 300 miles ÷ 5 hours = 60 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2