Measurement of Customary Length

Customary System

of LENGTH!

Only used in 3 countries:

United States, Liberia, and Myanmar

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Inches --> Feet --> Yards --> Miles

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Watch the video to the right ------->

​​If video doesn't play correctly, click the "Watch on YouTube" button in the bottom-left corner!!!

Length is...

• Measurement of how long something is end to end.

• Common customary units used in the United States to measure length are inches, feet, yards , and miles.

• You will need to be able to estimate the length of an object and determine which measurement unit is best.

Customary Lengths

• A foot is 12 inches, or about the length from your elbow to to wrist.

• A yard is 3 feet or about the height of your desk.

• A mile is 5,280 feet or about how far you can walk in 15 minutes

Inch (in)

Smallest unit of customary measurement.

Multiple Select

Choose ALL that would be about an inch long.

Foot (ft)

1 foot = 12 inches

Multiple Select

Choose ALL that would be about a foot. long

Yard (yd)

1 yard = 3 feet

1 yard = 36 inches

Multiple Select

Choose ALL that would be about a yard.

​Here are examples of things measured in inches, feet, yards, and miles.

Multiple Select

Which would measure about 24 inches, or 2 feet?

• Height of a classroom.

• Width of a desk.

• Perimeter of a classroom.

• Height of a flagpole.

Multiple Choice

Which unit would be most appropriate for measuring the length of a football field?

• Miles

• Inches

• Gallons

• Yards

Multiple Choice

Which object is about 3 feet tall?

• a building

• a fork

• a table

• a door

Multiple Select

Which would measure about 30 feet?

• Height of a classroom.

• Length of a classroom.

• Length of a cafeteria table.

• Width of a TV screen

Multiple Choice

Which of the following would most likely have a length of 30 feet?

• stick of gum

• envelope

• car

• pool

Multiple Choice

Which unit would be most appropriate for measuring the length of a football field?

• Miles

• Inches

• Gallons

• Yards

Multiple Choice

The length of a pencil

• 8 inches

• 8 yards

Watch the video to learn how to change one type of length to another

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e.g. 4 feet are the same as 48 inches; or 1 yard and 1 foot

​If video doesn't play correctly, click the "Watch on YouTube" button in the bottom-left corner!!!

A table is another way to solve conversions.

• For every yard, there are 3 feet.

• If you follow the rule, how many feet are in 4 yards?

Multiple Choice

How many feet are in 1 yard?

• 12

• 3

• 36

• 5,280

Multiple Choice

1/3 of a yard is the same as ___ ft.

• 3 feet

• 1 foot

• 2 feet

• 12 feet

Multiple Choice

What is the rule for converting yards to feet?

• multiply by 3

• add 3

• divide by 3

• subtract 3

Multiple Choice

How many feet would be in 4 yards?

• 9

• 12

• 14

• 15

Multiple Choice

Order the size of customary units of length from largest to smallest

• miles, feet, yards, inches

• miles, yards, feet, inches

• inches, feet, yards, miles

• yards, miles, feet, inches

Multiple Choice

Which of these would best be measured using a ruler?

• The distance between your school and house

• The length of a paper clip

• The height of a tree

• How far a dog can run

Multiple Choice

_____ inches = 1 ft.

• 12

• 12.5

• 13

• 11

Multiple Choice

7 feet = ___ inches

• 144 inches

• 49 inches

• 84 inches

• 19 inches

Multiple Choice

4 ft. = ___ in.

• 50 inches

• 4 inches

• 12 inches

• 48 inches

Multiple Choice

6 yd. = ___ ft. 

• 6 feet

• 12 feet

• 18 feet

• 3 feet

Multiple Choice

99 feet = ___ yards?

Work backwards!

• 33 yards

• 11 yards

• 297 yards

• 99 yards

Multiple Choice

72 inches = ___ feet?

Work backwards!

• 6 feet

• 5 feet

• 7 feet

• 60 feet

Multiple Choice

When you convert from a smaller unit to a larger unit you should use which operation? e.g. changing inches into feet

• multiplication

• division

• subtraction

• addition

Multiple Choice

Convert 5 ft 10 in. to inches.

Convert 5 ft into inches; then add the leftover 10 inches!!!

• 70 inches

• 42 inches

• 80 inches

• 55 inches

Multiple Choice

14 inches = ___ ft. ___ in.

• 2 ft. 0 in.

• 1 ft. 2 in.

• 1 ft. 5 in.

• 3 ft. 9 in.

Multiple Choice

The length of the teacher's desk was 5 FEET. The length of the student tables was 34 INCHES. Which was longer? 

Convert the 5 feet into inches then compare with the 34 inches!!

• Teacher's Desk 

• Student Tables

Inches, Yards, and Feet Song.

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​​If video doesn't play correctly, click the "Watch on YouTube" button in the bottom-left corner!!!