Finding Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, like miles per hour or dollars per pound.

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 total quantity by the number of units. For example, if 120 customers visit a store in 8 hours, the unit rate is 120 ÷ 8 = 15 customers per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate for Kim who plants 24 flowers in 2 hours?

Back

Kim's unit rate is 12 flowers per hour (24 flowers ÷ 2 hours).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate for Ben who plants 33 flowers in 3 hours?

Back

Ben's unit rate is 11 flowers per hour (33 flowers ÷ 3 hours).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which is faster: 12 flowers per hour or 11 flowers per hour?

Back

12 flowers per hour is faster than 11 flowers per hour.

Tags

CCSS.6.RP.A.3A

Front

If a store sees 120 customers in 8 hours, what is the unit rate?

Back

The unit rate is 15 customers per hour (120 customers ÷ 8 hours).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the cost per pound if 2 pounds of fish tank gravel cost $5?

Back

The unit rate is 2.5 dollars per pound ($5 ÷ 2 pounds).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which of the following is not a unit rate: 70 miles per hour, $15 per pound, 15 pages per 20 minutes, 1000 meters per kilometer?

Back

15 pages per 20 minutes is not a unit rate because it does not compare to one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the unit rate for Abby who can read 5 books in 16 hours?

Back

Abby's unit rate is 5/16 books per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

The unit rate is 50 miles per hour (150 miles ÷ 3 hours).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2