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**T. Trimpe 2008 http://sciencespot.net/**

Metric Conversions T. Trimpe

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**What are Metric Conversions?**

Sometimes we need to change from one measurement to another. This is usually done because the unit that is used is either too big or too small for that type of measurement.

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**Sometimes the number is too big for the unit being measured.**

525,568 millimeters Sometimes the number is too big for the unit being measured.

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**Sometimes the number is too small for the unit being measured**

km Sometimes the number is too small for the unit being measured

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**How many jumps does it take?**

Hecto 100 unit Deka 10 unit Basic 1 unit Deci 0,1 unit Centi 0,01 unit Milli 0,001 unit How do you convert a unit 1st – Determine your starting point. 2nd – Count the “jumps” to your ending point. 3rd – Move the decimal the same number of jumps in the same direction. 1 Meters Liters Grams 1 4 km = _________ m 1 Starting Point Ending Point 1 How many jumps does it take? 4. 1 __. 2 __. 3 __. = 4000 m

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**Conversion Practice Try these conversions**

1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm 14 km = _______ m 109 g = _______ kg 250 m = _______ km 0,001 1000 1600 14.000 0,109 0,25 Compare using <, >, or =. 56 cm m 7 g mg < <

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**Multiply Divide 4 Km 40 Hm 400 Dm 4000 m 0.01 0.1 1 kilo 1000 u Hecto**

Deka 10 u 400 Dm Basic 1 u 4000 m deci 0,1 u 0.01 centi 0,01 u 0.1 milli 0,001 u 1 Multiply Divide

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**Metric Conversion Challenge**

Write the correct abbreviation for each metric unit. 1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____ 2) Meter _____ 5) Millimeter _____ 8) Centimeter _____ 3) Gram _____ 6) Liter _____ 9) Milligram _____ Try these conversions, using the ladder method. 10) 2000 mg = _______ g 15) 5 L = _______ ml 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2,500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg 13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm 14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g 2 160 5,000 104,000 0.198 2.5 4.80 0.075 65,000 56,000 0.50 630 0.008 560 0.12

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