The Metric System The Metric System is based

The Metric System

The Metric System is based on the number 10 making conversion easy. Each time you move the decimal left or right in the units, you will move the decimal point left or right one place in the number you are converting.

L K H D M. D C M G Distance : Kilometer, Hectometer, Decameter, Metric base (meter), Decimeter, Centimeter, Millimeter Weight : Kilogram, Hectogram, Decagram, Metric base (gram), Decigram, Centigram, Milligram Liquid : Kiloliter, Hectoliter, Deciliter, Metric base (liter), Deciliter, Centiliter, Milliliter

King Henry Died Monday Drinking Chocolate Milk

K H D M. D C M 0 0 1 . 001 1 m. =____km .

K H D M. D C M 1 00 1 hm. =____m. .

K H D M. D C M 81 81 cm. =____m. .

G DCM K H D M. 1. 20000 1. 2 kg =_______cg .

Distance or Length Comparisons • A millimeter (mm) is about the thickness of a dime.

Liquid Capacity Comparisons • A centimeter (cm) is about the width of a thumbnail.

Distance or Length Comparisons • A meter (m) is about the same size as a yard stick or 3 feet. • A kilometer (km) is a little more than one half a mile.

Liquid Capacity Comparisons • A milliliter (m. L) is about 5 drops of water.

Liquid Capacity Comparisons • A liter is a little more than a quart of milk or half of a two liter bottle of soda.

Weight/Mass Comparisons • A milligram (mg) is about the mass of a speck of sawdust.

Weight/Mass Comparisons • A gram is about the mass of a paper clip.

Weight/Mass Comparisons • A kilogram (kg) is about half the weight of your math book.

The Metric System

Metric Conversions Ladder Method

1 Ladder Method 2 3 KILO 1000 HECTO DEKA 100 Units 10 Units DECI 0. 1 CENTI 0. 01 MILLI Meters Unit 0. 001 Unit Liters Unit Grams How do you use the “ladder” method? 4 km = _____ m 1 st – Determine your starting point. Starting Ending Point 2 nd – Count the “jumps” to your ending point. How many jumps does it take? 3 rd – Move the decimal the same number of jumps in the same direction. 4. __ __ __ 1 2 3 = 4000 m

Conversion Practice Try these conversions using the ladder method. 1000 mg = _______ g 1 L = _______ m. L cm = _______ mm 160 14 km = _______ m 109 g = _______ kg 250 m = _______ km Compare using <, >, or =. 56 cm 6 m 7 g 698 mg

Metric Conversion Challenge Write the correct abbreviation for each metric unit. 1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____ 2) Meter _____ 5) Millimeter _____ 8) Centimeter _____ 3) Gram _____ 6) Liter _____ 9) Milligram _____ Try these conversions, using the ladder method. 10) 2000 mg = _______ g 14) 5 L = _______ m. L 11) 104 km = _______ m 15) 198 g = _______ kg 12) 2500 m = _______ km 16) 16 cm = _______ mm 13) 480 cm = _____ m 17) 75 m. L = _____ L

Compare using <, >, or =. 25) 63 cm 26) 536 cm 29) 1, 500 m. L 6 m 27) 5 g 508 mg 53. 6 dm 28) 43 mg 5 g 1. 5 L 30) 3. 6 m 36 cm