1. Metric System Objectives 1. give the advantages of the metric system
2. match the base unit to the type of measurement
3. list the common prefixes

2. Metric System  developed by the French in the 1700's
 later modified to the SI (System International)
 most commonly used as the "kms system" (kilogram, meter, second)
 we use the United States Customary System (USCS)

3. Why doesn’t the United States use the Metric System?
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4. Advantages of the Metric System
uses decimals instead of fractions
one base unit per type of measurement
 uses prefixes to change units by multiples of 10

5. Base Units Measurement SI USCS distance meter
inch, foot, yard, furlong, mile
volume
liter
teaspoon, tablespoon, cup, pint, quart, gallon
mass
gram
slug
force
newton
ounce, pound, ton
time
second
electric current
ampere
energy
joule
foot•pound
temperature
°Celcius or Kelvin
°Farenheit

6. Common Prefixes Prefix Symbol Multiplier Milli m .001 Centi c .01 Deci.1
Base Unit (grams, meters, liters)
Deka da 10
Hecto h
100
Kilo k
1000

7. Find the length in centimeters and millimeters
6.5 cm
65 mm