Measurement Methods and Conversions. Why Metric? Who uses the Imperial System?

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Presentation transcript:

Measurement Methods and Conversions

Why Metric? Who uses the Imperial System?

Why Metric? In science, we use the metric system of measurement. Metric is used because it is an international standard (other countries around the world use it). Metric Basics: Mass : Measured in grams (g) Volume: Measured in liters (L) Distance: Measured in meters (m)

The “Ladder” KHDUDCM

KILO 1000 Units HECTO 100 Units DEKA 10 Units DECI 0.1 Unit CENTI 0.01 Unit MILLI Unit Meters Liters Grams

Ladder Method The Ladder 1st – Determine starting point. 2nd – Count “jumps” to your ending point. 3rd – Move the decimal the same number of “jumps” and in the same direction.

4 km = _________ m How many jumps does it take? Starting Point Ending Point 4._. 123 = 4000 m

Try these conversions using the ladder method. (1)1000 mg = _______ g (2) 1 L = _______ mL (3)160 cm = _______ mm (4) 14 km = _______ m Conversion Practice

Try these problems using the ladder method. (1)1000 cg >,,<,= 130 hL Conversion Practice