1. Unit Analysis

2. Unit Analysis – writing the units when comparing each unit of rate

3. One technique for converting customary units of measure is by multiplying by a unit multiplier. The next slide will show you how this is done.

4. For example, to convert 412 feet into yards:
First, write 412 feet over 1.
Next, multiply by the unit multiplier, which in this case would be 1 yard .
3 feet
412 feet x 1 yard =
feet
412 yards 3
feet will cancel leaving your answer with the correct label!

5. Now you try it!

6. Convert 412 feet to inches.
412 feet 1
First, write 412feet over 1 .
Next write the unit multiplier. Make sure that feet is in the denominator!
12 inches
1 foot
Multiply the rate and conversion factor together.
412 feet x 12 inches =
foot
4944 inches

7. Convert 5 feet into inches.
Work out your answer before clicking!
Answer:
60 inches

8. Convert 420 feet into yards
Work out your answer before clicking!
Answer:
140 yards

9. Work out your answer before clicking!
Convert 72 inches to feet
Work out your answer before clicking!
Answer:
6 feet

10. Work out your answer before clicking!
Convert 4.6 miles to feet
Work out your answer before clicking!
Answer:
24,288 feet

11. Work out your answer before clicking!
Convert 4 tons to pounds.
Work out your answer before clicking!
Answer:
8000 lb

12. Work out your answer before clicking!
Convert 17,200 feet to inches
Work out your answer before clicking!
206,400 inches
Answer:

13. The End