# 9-1 - Metric Units of Length Mass and Capacity Lesson 9-1...

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Metric Units of Length, Mass, and Capacity Lesson 9-1

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The Metric System The metric system of measurement is a decimal system that uses prefixes to relate the sizes of units to standard units. The standard unit of length is the meter. The standard unit of mass is the gram. The standard unit of capacity is the liter.
Metric Prefixes kilo 1,000 hecto 100 deka 10 deci 0.1 centi 0.01 milli 0.001

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Length (distance) The standard unit is a meter. A meter is about the distance from the floor to the doorknob on a door. 1,000 meters make a kilometer. It is roughly 0.6 of a mile long. To run a kilometer, you would have to run around a track two and a half times. A centimeter is smaller than a meter. It takes 100 centimeters to make a meter. The thickness of a CD case is about 1 cm. A millimeter is very small. It takes 1,000 mm to make a meter. The thickness of a CD is about 1 mm.
Measuring Metric rulers show centimeters and millimeters. Line up the zero (or edge of the ruler if there is no

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## This note was uploaded on 11/17/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.

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9-1 - Metric Units of Length Mass and Capacity Lesson 9-1...

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