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Published byGeorgia Moody Modified over 5 years ago

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Metric System Why do Scientist’s Use? So everyone uses same system Makes conversions easy Metric system uses SI units Important in business and in trades

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Measuring Length The SI unit for measuring length is the meter (M) Meter stick Volume and mass are based on length

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Measuring Volume The SI unit for measuring volume is the liter (L) A cube 1 cm x 1cm x 1cm = 1ml 1 cm 3 = 1 ml 1 cm

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Measuring Mass The SI unit used for measuring mass is the gram (G) 1 nickel = 2.5 grams Standardized 1ml of water = 1 g

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SI Base Units Base QuantitySI Base Unit NameSymbol LengthMeterm MassGramg VolumeLiterl TemperatureKelvinK

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To Remember Prefixes (kilo-) means 1000 (hecto-) 100 (deka-) 10 (BASE UNIT-meter, liter, gram) (deci-) means 1/10 0.1 (centi-) means 1/100 0.01 (milli-) means 1/1000 0.001 King Henry Doesn’t Usually Drink Chocolate Milk

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Steps Each step is ten times as much or 1/10 as much as the step next to it 1 km = 10 hm = 100 dam = 1000 m OR 1 mm =.01 cm =.00 1 dm =.0001 m

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Metric Conversion Steps Kilo- k Hecto- h BASE UNIT M g or L Deka- dk Deci- d Centi- c Millii- m Example 100 cents is a dollar

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Convert by moving decimal 1. Find the initial unit, put finger there 2. Find the final unit 3. Move finger right or left and count 4. Move decimal point the same direction as the finger Kilo – k Hecto h Deka- dk Deci- d Centi- C Milli- m Meter, Liter, gram

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Convert by moving decimal Kilo – k Hecto h Deka- da Deci- d Centi- C Milli- m Meter, Liter, gram 1.6 km = _________ dm (hint 6 = 6.0) 2.6km = _________ m 3.850 mg = _______g (hint 850 = 850.0) 4.645 cL = ______ hL 5.97 dam = _______km * * * * * * *

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