Metric Conversions DRUL Method

Warm-up: Writing Metric Terms List as many rules for writing metric rules as you can think of in your notebook Come up to the board and list your answers. If your answer is the same as another student’s place a check mark next to their answer.

Rules for writing metric terms: Square the actual unit, not the measurement. Use a 0 in front of the decimal point Use a space between number and unit symbol Don’t use plurals No Fractions always decimals When moving up go to the left and when moving down go to the right . No periods at the end of a measurement

Metric System Standard measurement system used in almost all countries and in science Easy to convert measurements Based on powers of ten Convert by moving the decimal point (NO FRACTIONS!)

Units of Measurement Unit Symbol What it Measures Meter m length Gram g weight Liter L volume Celsius C temperature

10 mm = 1 cm Millimeter is smaller; centimeters are larger. Equals 10 mm = 1 cm Millimeter is smaller; centimeters are larger. 3 cm = ____ mm 20 mm = ____ cm

Metric Abbreviations 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 =_____

DRUL Method Kilo Hecto Deka OVER Deci Centi Milli 1 2       Equals                 3 KILO 1000 Units HECTO 100 Units DEKA 10 Units Down to the Right DECI 0.1 Unit Meters Liters Grams CENTI 0.01 Unit MILLI 0.001 Unit Up to the Left Kilo Hecto Deka OVER Deci Centi Milli Kids Have Dropped OVER Dead Converting Metrics King Henry Does OVER Drink Chocolate Milk

How many jumps does it take? DRUL Method 1 2 3 KILO 1000 Units HECTO 100 Units DEKA 10 Units Down to the Right DECI 0.1 Unit Meters Liters Grams CENTI 0.01 Unit MILLI 0.001 Unit Up to the Left How do you use the “DRUL” method? 1st – Determine your starting point. 2nd – Count “jumps” to your ending point. 3rd – Move decimal point same number of jumps in same direction. 4 km = _________ m Starting Point Ending Point How many jumps does it take? 4. 1 __. 2 __. 3 __. = 4000 m

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

Metric Conversion Challenge Try these conversions, using the ladder method. 10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg 13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm 14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g

Compare using <, >, or =. 25) 63 cm 6 m 27) 5 g 508 mg 29) 1,500 mL 1.5 L 26) 536 cm 53.6 dm 28) 43 mg 5 g 30) 3.6 m 36 cm