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Metric Conversions Ladder Method
T. Trimpe

What do we measure and what do we measure it in?
International System of Units (SI) System used by all scientists around the world to share precise data in a format that is understood by all What do we measure and what do we measure it in? Length – measured in meters (m) Volume (how much space something takes up) – measured in - Liters (if liquid) (L) Cubic meter units (if solid) m3

H DA D C M Scale based on units of 10
K 1000 H 100 DA 10 10 times smaller each step D 0.1 C 0.01 M 0.001 10 times larger each step King Henry Died By Drinking Chocolate Milk

How many jumps does it take?
Ladder Method- Length 1 2 3 KILO 1000 Units HECTO 100 Units DEKA 10 Units 10 times smaller each step km DECI 0.1 Unit hm m CENTI 0.01 Unit dam MILLI Unit dm cm 10 times larger each step mm How do you use the “ladder” method? 1st – Determine your starting point. 2nd – Count the “jumps” to your ending point. 3rd – Move the decimal the same number of jumps in the same direction. 4 km = _________ m Starting Point Ending Point How many jumps does it take? 4. 1 __. 2 __. 3 __. = 4000 m

Ladder Method- Length KILO 1000 Units HECTO 100 Units DEKA 10 Units
10 times smaller each step km DECI 0.1 Unit hm m CENTI 0.01 Unit dam MILLI Unit dm cm 10 times larger each step mm 700,000 0.04 hm = _________ cm 400 70 km = _________ dm 0.5004 0.720 5004 cm = _________ hm 720 mm = _________ m

Conversion Practice k h da m L d c m
Try these conversions using the ladder method. 1000 km = _______ m 1 L = _______ mL 160 dam = _______ mm 14 km = _______ cm 109 cm = _______ mm 250 L = _______ ml 1,000,000 1,000 1,600,000 1,400,000 1,090 250,000

K H D B D C M Compare using <, >, or =. 56 cm 6 m 7 L 698 ml
Metric Rap

Metric Conversion Challenge
Write the correct abbreviation for each metric unit. 1) Hectometer ____ 4) milliliter _____ 7) kilometer _____ 2) meter _____ 5) millimeter _____ 8) centimeter _____ 3) deciliter _____ 6) liter _____ 9) dekameter _____ Try these conversions, using the ladder method. 10) 2000 ml = _______ L 15) 5 L = _______ mL 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 m = _______ mm 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 m = _____ mm 13) 5.6 km = _____ m 18) 50 cm = _____ m 23) 6.3 cm = _____ dam 14) 8 mm = _____ dm 19) 5.6 m = _____ cm 24) 120 ml = _____ L

Compare using <, >, or =.
25) 63 cm m 27) 5 L ml 29) 1,500 mL L 26) 536 cm dm 28) 43 mm m 30) 3.6 m cm

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