1. Metric Review today Take out a pencil! Put ALL belongings under your desk.

2. Metric System 1. The metric system is also known as? SI- System International 2. The metric system is based on factors of? 10 3. _________ is one of the only countries left NOT using the metric system America

3. Metric System Acronym K H D bu d c m

4. Metric Units Meter Liter Grams

5. What do they measure? Meters Measures distance Liters Measures volume Grams Measures mass

6. Prefix Practice 1. centi= c 2. Kilo= K 3. deci = d 4. milli = m 5. Hecto = H 6. Deka= D

7. Write the correct abbreviation for each metric unit 1. kilogram= Kg 2. Meter = M 3. Gram = g 4.Milliliter= mL 5. millimeter = mm 6. liter L 7. kilometer km 8. centimeter = cm 9. milligram = mg

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

9. Counting Steps: How many steps is it from … 1. kilometers to centimeters: 5 steps 2. centimeters to millimeters:____________ 3. KL to L:________________ 4. m to mm______________ 5. millimters to centimeters:__________ 6. g to mg: _________________

10. Conversion practice: now apply step counting to these problems. Write down how many steps the conversion requires, then give the actual answer on the 2nd line Example: 3.5 m is how many cm? Steps: cm to m is 2 steps (remember, “m” by itself is the base unit, (b) Answer: 350 cm 7.37 grams is how many mg? Steps:__________ Answer:___________ 8.2.7 kilograms is how many grams? Steps:_________ Answer:_________ 9.How many liters are in 2,545 centiliters? Steps:_____Answer:______ 10. convert 28,800 mL to kL. Steps:__________ Answer:___________ 11.convert 144 dL to L. Steps:_____________ Answer:____________ 12. 350 cm is how many km? Steps:_________ Answer:____________

11. Try these conversions using the ladder method. 1. 1000 mg = _______ g 2. 1 L = _______ mL 3. 160 cm = _______ mm 4. 14 km = _______ m5. 109 g = _______ kg 6. 250 m = _______ km Conversion Practice Compare using, or =. 56 cm 6 m 7 g 698 mg

12. 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 Metric Conversion Challenge

13. Try these conversions, using the ladder method. Answers 10) 2000 mg = 2.0g 15) 5 L = 5000 mL 20) 16 cm = 160 mm 11) 104 km = 104,000 m 16) 198 g = 0.198 kg 21) 2500 m = 2.5 km 12) 480 cm = 4.80m 17) 75 mL = 0.075 L 22) 65 g = 65,000 mg 13) 5.6 kg = 5,600 g 18) 50 cm = 0.50 m 23) 6.3 cm = 63mm 14) 8 mm = 0.8 cm 19) 5.6 m = 560cm 24) 120 mg = 0.120 g Metric Conversion Challenge

14. Metric conversions 1.10.3 mm =_____cm6. 0.82 mL=____ mL 2. 41 g =_______mg7. 24 dm =_____mm 3.7 L =______mL8. 16 mg=_____dg 4.4315 mg=________ g9. 2.21 L=_____cL 5. 0.5 m =________cm10. 4 Kg=_____mg

15. Metric conversions 1.10.3 mm =1.03 cm6. 0.82 mL= 0.82 mL 2. 41 g = 41,000 mg7. 24 dm = 2400 mm 3.7 L = 7000 mL8. 16 mg=.16 dg 4.4315 mg= 4.315 g9. 2.21 L= 221 cL 5. 0.5 m = 500 cm10. 4 Kg= 4000 mg

16. Metric conversions # 11-15 11.How many mm are in 0.03 cm? 0.3 mm 12.How many centigrams are in 244 millgrams? 24.4 cg 13. Don’t do, we did not cover micro- 14. Don’t do, we did not cover nano- 15. How many meters are in 1 kilometer? 1000 m

17. Metric conversions 16-20 16. 2.007 milliliters is how many liters?.002007 L 17. 0.005 liters is how many milliliters? 5.mL 18. 650 dm is how many cm? 6500 cm 19. convert 77,000cm into km.00077 Km 20. convert 1.06 milliliters to kiloliters.00000106 KL

18. Metric conversions 21-24 21. How many centimeters in a meter? 100 cm 22. How many milliliters in a litter 1000 mL 23. How many meters in a kilometer 1000 m 24. Give the letters of the prefixes in order K H D (bu) d c m

19. Last page of review has the answer key at the bottom of the page Email me with any questions you have. Study Hard! cwiest@pdsd.org