Metric Conversions DRUL Method

1. Metric Conversions DRUL Method

2. 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.

3. 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

4. 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!)

5. Units of Measurement UnitSymbolWhat it Measures Meter m length Gram g weight Liter L volume Celsius C temperature

6. 10 mm = 1 cm Millimeter issmaller; centimeters arelarger. Equals • 3 cm = ____ mm • 20 mm = ____ cm

7. 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 =_____

8. 1 2 3 MetersLitersGrams DRUL Method KILO1000Units HECTO100Units DEKA10Units Down to the Right DECI0.1Unit CENTI0.01Unit MILLI0.001Unit Up to the Left KiloHectoDeka OVER Deci Centi Milli Kids Have Dropped OVERDead Converting Metrics King Henry Does OVERDrink Chocolate Milk

9. 1 2 3 MetersLitersGrams 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. Starting Point Ending Point __. __. __. 3 2 1 DRUL Method KILO1000Units HECTO100Units DEKA10Units Down to the Right DECI0.1Unit CENTI0.01Unit MILLI0.001Unit Up to the Left 4 km = _________ m How many jumps does it take? 4. = 4000 m

10. Compare using <, >, or =. 56 cm 6 m 7 g 698 mg 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

11. 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

12. 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