I. General Information A. Developed by the ______ in the late 1700’s B. Based on system of _______ C. All major countries use it (except USA) 

II. How it works… A. Prefixes tell you the _____ of the measurement kilo = 1000 hecto = 100 deka = 10 no prefix = 1 deci = 0.1 centi = 0.01 milli = 0.001

B. Suffixes tell you the _____ of measurement “-meter” length “-liter” volume “-gram” mass

C. Metric Prefix + Suffix = Size and Type of Measurement Examples: 1. 1 kilogram = 1000 grams of mass 2. 1 centimeter = .01 meters of length 3. 1000 milliliters = 1 liter of volume D. Metric Abbreviations 1. -meter “m” ex.- cm (centimeter) 2. -gram “g” ex.- kg (kilogram) 3. -liter “l” ex.- ml (milliliter)

3. . III. Converting One Metric Unit Into Another 300 kilo- hecto- deka- . (no prefix) deci- 300 Sample Problem: 3-meters = _______cm centi- Step 1: Put the “3” on the beginning step milli- Step 2: Count the number of steps to the ending step Step 3: Move the decimal that many places in the directions the steps went. Step 4: Fill in placeholders when necessary.

IV. Thinking Metrically A. 1 gram = about 1 paper clip B. 1 kg = A little over 2-lbs C. 1 liter = ½ 2-liter bottle of soda D. 1 ml = about 5-10 big drops of water E. 1 cm = a little less than half an inch F. 1 meter = a little more than a yard G. 1 degree celsius = about 2 degrees fahrenheit