unit rate

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 you can buy 4 apples for $2, the unit rate is $0.50 per apple.

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 first quantity by the second quantity. For example, if a car travels 150 miles in 3 hours, the unit rate is 150 miles ÷ 3 hours = 50 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of Joshua who can walk 6 km in 85 minutes?

Back

6/85 km per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a cyclist covers 90 miles in 3 hours, what is the unit rate in miles per hour?

Back

30 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

Back

$1.25 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

You can buy 36 cookies for $4. What is the unit rate in cookies per dollar?

Back

9 cookies per dollar.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

A painter can paint 400 square feet in 5 hours. What is the unit rate in square feet per hour?

Back

80 square feet per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate of speed?

Back

The unit rate of speed is the distance traveled per unit of time, often expressed in miles per hour (mph) or kilometers per hour (km/h).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a unit rate is expressed as 'per 1'?

Back

It means that the rate is calculated for a single unit of the second quantity. For example, if the unit rate is 5 miles per hour, it means 5 miles for every 1 hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can unit rates help in making decisions?

Back

Unit rates can help compare prices, speeds, or efficiencies, allowing for better decision-making. For example, comparing the cost per item can help determine the best deal.

Tags

CCSS.6.RP.A.3B