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 the speed per unit of time.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 12 apples for $6, the unit rate is $6 ÷ 12 apples = $0.50 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a person can complete a task in a certain amount of time, how do you find their rate of work?

Back

To find the rate of work, divide the total amount of work done by the total time taken. For example, if a person types 240 words in 3 minutes, their rate is 240 words ÷ 3 minutes = 80 words per minute.

Tags

CCSS.7.NS.A.3

Front

What is the significance of unit rates in real-life applications?

Back

Unit rates help consumers make informed decisions by comparing prices, speeds, or efficiencies. They allow for easy comparison between different products or services.

Tags

CCSS.6.RP.A.3B

Front

How can you determine which product is a better buy using unit rates?

Back

To determine which product is a better buy, calculate the unit rate for each product and compare them. The product with the lower unit rate is the better buy.

Tags

CCSS.6.RP.A.3B

Front

What is the unit rate of 15 miles in 3 hours?

Back

The unit rate is 15 miles ÷ 3 hours = 5 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 4 pounds of bananas cost $2.80, what is the cost per pound?

Back

The cost per pound is $2.80 ÷ 4 pounds = $0.70 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio as a unit rate?

Back

To express a ratio as a unit rate, simplify the ratio so that the second quantity is 1. For example, a ratio of 10 dogs to 5 cats can be expressed as 2 dogs per cat.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of 60 cookies for $12?

Back

The unit rate is $12 ÷ 60 cookies = $0.20 per cookie.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate when given a fraction?

Back

To find the unit rate from a fraction, divide the numerator by the denominator. For example, if you have 3/4 of a gallon for $3, the unit rate is $3 ÷ (3/4) = $4 per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2