2 WHY DO WE USE THE METRIC SYSTEM? Almost all other countries are using the metric systemOther countries’ companies are refusing to buy products from the U.S. if not labeled in metric unitsScientists need a universal way to communicate data (SI Units)
3 APPROXIMATE CONVERSIONS BETWEEN METRIC & US LENGTH UNITS A meter is about the same length as a yardA meter is about three feet longA decimeter is about four inches longAn inch is about 25 millimetersA foot contains about 30 centimetersA foot contains about 3 decimeters
4 WHAT DOES THE METRIC SYSTEM MEASURE? The gram measures mass or how much something weighsThe liter measures volume which is used when measuring liquidsThe meter measures the length of an object or the distance from place to place
5 THE METRIC CONVERSION CHART (STAIRCASE METHOD) To convert to a smaller unit, movedecimal point to the right ormultiply.Kilo1000unitsHecto100unitsDeka10unitsBasicUnitDeci0.1unitsCenti0.01unitsMilli0.001unitsTo convert to a larger unit, movedecimal point to the left or divide
6 TRY THIS USING THE STAIRCASE METHOD 1000 mg = ______ gStep 1: Determine if you are going to go up or down the ladder.Step 2: Determine how many steps there are from milligrams tograms.Step 3: Move the decimal point the amount of places that wasdetermined in steps 1 & 2.
7 TRY THIS USING THE STAIRCASE METHOD .15 L = __________ ml