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**THE METRIC SYSTEM MEAP Review**

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**WHY DO WE USE THE METRIC SYSTEM?**

Almost all other countries are using the metric system Other countries’ companies are refusing to buy products from the U.S. if not labeled in metric units Mathmeticians need a universal way to communicate data (SI Units)

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**A meter is about the same length as a yard **

APPROXIMATE CONVERSIONS BETWEEN METRIC & US LENGTH UNITS A meter is about the same length as a yard A meter is about three feet long A decimeter is about four inches long An inch is about 25 millimeters A foot contains about 30 centimeters A foot contains about 3 decimeters

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**WHAT DOES THE METRIC SYSTEM MEASURE?**

The gram measures mass or how much something weighs The liter measures volume which is used when measuring liquids The meter measures the length of an object or the distance from place to place

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**THE METRIC CONVERSION CHART (LADDER METHOD)**

To convert to a larger unit, move decimal point to the LEFT or divide. To convert to a smaller unit, move decimal point to the RIGHT or multiply. Kilo 1000 Hecto 100 Deca 10 Base Units meter gram Liter 1 Deci 0.1 Centi 0.01 Milli 0.001

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**TRY THIS USING THE LADDER METHOD**

1000 mg = ______ g Step 1: Determine if you are going to go up or down the ladder. Step 2: Determine how many steps there are from milligrams to grams. Step 3: Move the decimal point the amount of places that was determined in steps 1 & 2.

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**Step 1: Smaller to larger we DIVIDE**

Step 2: There are 3 places between miligrams and grams Step 3: Move the decimal 3 places to the left 1000mg = 1 g

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**Now Try These: 6578 kg=__________g 330mm=___________cm**

5010 dl=___________ml 250cm=____________m Kilo 1000 Hecto 100 Deca 10 Base Units meter gram Liter 1 Deci 0.1 Centi 0.01 Milli 0.001

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**Complete the Metric Mania Handout with a partner in class**

Complete the metric conversion handout for homework

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