Target: Convert rates to different units.

Find each unit rate.

1.

2.  

Complete each conversion.

3. 4 yards = _____ feet

4. 80 centimeters = _____ meters

hours 6

kilometers 300

days 2

jobs 15

Rate Conversion: A process of changing at least one unit of measurement in a rate to a different unit of measurement.

1. Write the original rate as a fraction.

2. Determine what unit needs to be changed. Write an appropriate conversion rate.

3. Multiply by the conversion rate. Cancel units.

4. Repeat steps 2 and 3 if changing more than one unit of measurement.

5. Simplify the final rate to a unit rate.

Convert 48 miles per hour to miles per minute.

Write the rate as a fraction.

Write the conversion factor. 1 hour = 60 minutes

Write the conversion factor as a rate. Choose the one which will cancel units.

Multiply.

Forty-eight miles per hour is equal to 0.8 miles per minute.

hour 1

miles 48

minutes 60

hour 1

hour 1

minutes 60

minute 1

miles 0.8

minutes 60

miles 48

minutes 60

hour 1

hour 1

miles 48

Rolando rides his scooter 9 kilometers per hour. Find his rate in meters per minute.

Write the rate as a fraction.

Choose first rate conversion. 1 hour = 60 minutes

Choose conversion rate.

Multiply.

hour 1

kilometers 9

hour 1

minutes 60

minutes 60

hour 1

minutes 60

kilometers 9

minutes 60

hour 1

hour 1

kilometers 9

Rolando rides his scooter 9 kilometers per hour. Find his rate in meters per minute.

Write the rate as a fraction.

Choose next conversion. 1 kilometer = 1000 meters

Choose conversion rate.

Multiply.

minutes 60

kilometers 9

meters 1000

kilometer 1

kilometer 1

meters 1000

minutes 60

meters 9000

kilometer 1

meters 1000

minutes 60

kilometers 9

Rolando rides his scooter 9 kilometers per hour. Find his rate in meters per minute.

Simplify to a unit rate.

Rolando rides his scooter 150 meters per minute.

minutes 60

meters 9000

minute 1

meters 150

minutes 60

meters 9000

1. Convert to .

2. Convert 30 feet per hour to feet per minute.

minute 1

meters 10

minute

scentimeter

If you knew how fast your friend drove in feet per minute, how would you find the rate in miles per hour?