Measuring LENGTH

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Measuring LENGTH
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When we measure length we are looking at how far
away something is, how tall or short it is, etc.
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The are 2 groups/categories for length.Customary
and Metric
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Customary length is what we use in the United
States. It includes inches, feet, yards, and
miles.
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One inch is about the size of a small paperclip.
It is the smallest customary measurement.
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One foot is about the length of a piece of
notebook paper.
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One yard is about the length of a regular
baseball bat.
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One mile is about the length of a 20 minute walk.
(7 times around the bus ramp at PCE)
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12 inches1 foot
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3 feet 1 yard
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36 inches1 yard
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Metric length is what most of the world uses. It
includes millimeters, centimeters, meters, and
kilometers
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A millimeter is about as thick as a dime.
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A centimeter is about the width of your index
finger.
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Your arm span from finger to finger tip is about
a meter.
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A kilometer is more than a half a mile. (About 4
laps around bus ramp _at_ PCE)
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Choosing the right UNIT
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The distance from your home to school.Inches,
Feet, or Miles?
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The distance from your home to school.Inches,
Feet, or Miles?
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Is a football about 1 foot or 1 mile long?
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Is a football about 1 foot or 1 mile long?
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Is a math book about 11 yards or 11 inches?
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Is a math book about 11 yards or 11 inches?
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Would you use a ruler or yard stick to measure
the playground?
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Would you use a ruler or yard stick to measure
the playground?
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Would you use a ruler or yard stick to measure
the width (thickness) of a book?
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Would you use a ruler or yard stick to measure
the width (thickness) of a book?