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Metric Conversion (Metric Steps)
 

Metric Conversion (Metric Steps)

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    Metric Conversion (Metric Steps) Metric Conversion (Metric Steps) Presentation Transcript

    • Metric Stairs How to do Metric Conversions
    • Metric System
      • System of measurement.
      • Designed to be easy to use and universal. (built on powers of ten)
      • Correct name is the “International System of Units”( or SI for short).
    • Built on a Root
      • Each property of matter has a root word that is the base measurement for that property.
      • For example:
          • Grams (g) are for mass
          • Liters (L) are for volume
          • Meters (m) are for distance
    • Add a Prefix
      • To change the value of the root (make it bigger or smaller), you add a prefix
      • Smaller
        • Milli (m) – 1/1000 of the root (1000 times smaller)
        • Centi (c) – 1/100 of the root (100 times smaller)
        • Deci (d) – 1/10 of the root (10 times smaller)
      • Bigger
        • Deka (dk) – 10 times bigger than root
        • Hecto (h) – 100 times bigger than root
        • Kilo (k) – 1000 times bigger than root.
    • Easy Conversions kilo- hecto- deka- root deci- centi- milli-
      • You can use this simple drawing to convert any metric measurement to another metric measurement.
      • The stairs have 7 steps going down left to right
    • How does it work? kilo- hecto- deka- root deci- centi- milli-
      • First, identify the prefixes you are being asked to convert between.
        • Example: “Convert 2.345 cm into hectometers”
        • cm is centi meters and change is to hecto meters.
    • How does it Work? kilo- hecto- deka- root deci- centi- milli-
      • Next draw out the stairs.
      • Third, put a mark on the starting prefix ( centi in our example problem)
    • How does it Work? kilo- hecto- deka- root deci- centi- milli- 1 4 3 2 Left
      • Fourth, “walk” up/down the stairs to the prefix you are converting to ( hecto in our example)
      • Count the number of steps you traveled and note direction as either left or right.
    • How Does it Work
      • Now go to the original number ( 2.345 ) and move the decimal point the same direction and number of “steps” as you did on the stairs.
      2.345 4 spaces left 0.0002345 hm