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measuring length n.
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Measuring Length

Measuring Length

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Measuring Length

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  1. Measuring Length Using Centimeters

  2. example • The line is 4.2 cm. • Start the ruler at zero. • The tiny spaces between the larger numbered lines are millimeters. • They are one tenth of a centimeter. • Notice the line is 4 whole centimeters and two tenths of centimeter.

  3. Millimeters • Each centimeter has 10 smaller divisions. • These are millimeters. • 3.4 centimeters or 3.4 cm is the same as 3 centimeters and 4 millimeters.

  4. Perimeter

  5. Perimeter • Add the lengths of all the edges • This is the perimeter of a shape.