2 Why Should I Use the Metric System? Customary SystemMultiplying or dividing by 8, 12, 16, 36, 5280, etc… takes longer!Multiplying and Dividing by 10 is quick and easy!Pint, Quart, Gallon, Pounds, Ounces, Tons, Inches, Feet, Yards, MilesMeters, Liters, GramsDecimals Fractions The United States is about the ONLY country in the world that is still using it!Nearly every country in the world uses it!
3 Have You Ever Lost $125,000,000?Mix up between Metric and Customary UnitsThrust Calculations are inaccurateYup.. 3 in to the left….Just 3 cm to the left….NASA Mars Polar Lander burns up on entry in December 2000.MARS POLAR LANDER PAGE
4 METER, LITER, GRAMMETER = LENGTHLITER = VOLUMEGRAM = MASS
5 Metric System…….NEW AND IMPROVED KILO-1000HECTO-100DEKA-MeterLiterGramMove the Decimal to the RIGHTLarger to Smaller10BaseDECI-Smaller to LargerMove the Decimal to the LEFT1/10CENTI-1/100MILLI-1/1000
6 Let’s Try a Few……. 2) 1 L =_______mL 3) 1 km =_______m 1) 1 kg =____g2) 1 L =_______mL3) 1 km =_______m4) 1 m =_______cm
7 Let’s Try a Few……. 2) 2200 mL =_______L 3) 8.9 km =_______m 1) 100 g =____kg2) 2200 mL =_______L3) 8.9 km =_______m4) 5 kg =_______g
8 Think of a meter stick…. Divide it into 100ths and you have ________. Take 1000 meter sticks in a row and you have ______.
9 Must know!Kilo= 1000 xThere are 1000 meters in a kilometer or 1000 grams in a kilogramCenti= 1/100. There are 100 cm in a meterMilli= 1/1000. There are 1000 milligrams in a gram or 1000 mL in a liter.
10 Metric System Links Units of Measurement History of Metric System in the USMetric PrefixesThe EVIL, EVIL Customary System