1. Using Customary Units of Length
Envision 2008

2. A notebook measures about 1 foot.
1 foot = 12 inches
A notebook measures about 1 foot.

3. 1 yard = 3 feet = 36 inches
A baseball bat is about 1 yard.

4. One mile = 5,280 feet = 1,760 yards
One mile is about twice around this track.

5. Do you know HOW?
Choose the most appropriate unit to measure the length of each.
foot yard mile
highway
book case
football field
room

6. Do you UNDERSTAND?
How long is your textbook to the nearest inch? Explain to your shoulder partner how you measured.
Greg wants to measure how tall his 2-year-old sister is. What two units could he use? Explain to your other shoulder partner how you would measure and why.

7. Independent Practice
In your journal, write the most appropriate unit to measure with
foot yard mile
pencil
building
mountain
spool of ribbon

8. Independent Practice
Using the items on your table, measure the objects to the nearest inch. Record your findings in your journal.
pencil
piece of ribbon
library book

9. Writing to Explain
Lionel is building a tree house. The materials list tells the length of the floorboards that are needed. Which would be the best unit of measure to describe the length of the floorboards? Why?

10. Real Life
In Olivia, Minnesota, there is a giant ear of corn standing over a roadside gazebo. Using the image, which do you think is the actual height of the corn?
25 miles
25 feet
25 inches
25 centimeters