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Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.
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Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Jan 02, 2016

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Randell Charles
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Page 1: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Customary Linear Measurement

G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Page 2: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Essential Questions:

What are the units for measuring length in the customary system? How do we know which unit to use?

Page 3: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

There are 2 different systems of

measurement:

customary and metric

Page 4: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

The customary system is

primarily used in the United

States

The metric system is used in most of the rest

of the world

Page 5: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Today I can choose the appropriate unit for measuring

length and distances within the customary system.

Page 6: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

There are four units for measuring length in the customary system:

Inches Feet Yards Miles

Page 7: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Inches are the smallest unit in the customary system. One

inch is about the width of your thumb.

Inches are measured with

a ruler

Page 8: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Here are some objects that would be

appropriate to measure in inches:

length of a pencil height of a small flower

length of a paper clip

Page 9: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

A foot is almost as long as a piece of notebook paper

There are 12 inches in one foot

Page 10: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Here are some objects that would be

appropriate to measure in feet:length of a

carheight of a person

height of your classroom door

length of a couch

height of a tall tree

QuickTime™ and aGIF decompressor

are needed to see this picture.

Page 11: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

When you hold your arms out at both sides and measure from fingertip to fingertip, that is about the same as one yard.

There are 3 feet in one yard

There are 36 inches in one yard

Page 12: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Here are some objects that would be

appropriate to measure in yards:length of a

swimming pool that is used for

competitiondistance from your classroom to

the cafeteria

length of a football field

height of a 10 story building

Page 13: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

A mile is the largest unit for length in the

customary system. Miles are used for very long

distances.There are

1,760 yards in a mile

There are 5,280 feet in a mile

Page 14: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Here are some distances that would be

appropriate to measure in miles:

distance from your house to the mall

distance from Tucson, AZ to Disneyland

distance from Desert Willow to the U of A

Page 15: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Inches Feet Yards Miles

In Fourth Grade You Measure!

Page 16: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Your Turn!

What is the appropriate unit to use to measure each object or distance?

Page 17: Customary Linear Measurement G5.4M.C4.PO3. I can choose the appropriate unit of measurement for any problem.

Closure:

On your slate, write one example of an object/distance

you can measure with each customary unit of length. Be

prepared to share!