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THE METRIC SYSTEM

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The Metric System The metric system is a universal measurement system based on the number 10.

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**The main categories of measurement are:**

Meter (m)—a distance value Liter (L)—a volume value Gram(g) —a mass value Second (s)—a time value

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**Using the above values as the base, they can be subdivided by moving the decimal point**

To the left to raise the values To the right to lower the values

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**How to move the decimal point:**

To move from a larger value to a smaller value, move the decimal point to the right. To move from a smaller value to a larger value, move the decimal point to the left.

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**1000X 100 X 10 X 1.0 base # 1/10 1/100 1/1000 Left Right 1000.0 100.0**

Kilo 1000X 1000.0 Hecto 100 X 100.0 Deca 10 X 10.0 Meter,Liter,Gram 1.0 base # Deci 1/10 0.1 Centi 1/100 0.01 Milli 1/1000 0.001

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**Example problem #1: Convert 20.0 km to m.**

Kilometers are larger than meters. So to move from a larger value to a smaller value, move the decimal point to the right. Count the number of spaces moved on the chart. You would move 3 spaces from kilo to meters (base unit) Then move the decimal point 3 spaces to the right Correct answer is 20,000 m

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Convert the following values by moving the decimal point the correct number of spaces and in the right direction: 23.5 m = cm mm = m 98.43 L = mL 34 g = Kg 123.4 cg = Hg 456.3 g = cg 3908 Kl = mL .045 mg = cg 2.0 m = mm 20 km = m

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GOOD LUCK!!

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