Metric Review today Take out a pencil Put

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

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

Metric System Acronym K H D bu d c m

Metric Units • Meter • Liter • Grams

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

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

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

Ladder Method 1 2 KILO 1000 Units HECTO 100 Units 3 DEKA 10 Units Meters Liters Grams DECI 0. 1 Unit 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. CENTI 0. 01 Unit MILLI 0. 001 Unit 4 km = _____ m Starting Point Ending Point How many jumps does it take? 4. __. __. = 4000 m 1 2 3

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: _________

Conversion practice: now apply step counting to these problems. Write down how many steps the conversion requires, then give the actual answer on the 2 nd 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 m. L to k. L. Steps: _____ Answer: ______ 11. convert 144 d. L to L. Steps: _______ Answer: ______ 12. 350 cm is how many km? Steps: _____ Answer: ______

Conversion Practice Try these conversions using the ladder method. 1. 1000 mg = _______ g 2. 1 L = _______ m. L 4. 14 km = _______ m 5. 109 g = _______ kg 3. 160 cm = _______ mm 6. 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 = _______ m. L 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 m. L = _____ 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 Try these conversions, using the ladder method. Answers 10) 2000 mg = 2. 0 g 15) 5 L = 5000 m. L 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. 80 m 17) 75 m. L = 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 = 63 mm 14) 8 mm = 0. 8 cm 19) 5. 6 m = 560 cm 24) 120 mg = 0. 120 g

Metric conversions 1. 10. 3 mm =_____cm 6. 0. 82 m. L=____ m. L 2. 41 g =_______mg 7. 24 dm =_____mm 3. 7 L =______m. L 8. 16 mg=_____dg 4. 4315 mg=____ g 9. 2. 21 L=_____c. L 5. 10. 4 Kg=_____mg 0. 5 m =____cm

Metric conversions 1. 10. 3 mm =1. 03 cm 6. 0. 82 m. L= 0. 82 m. L 2. 41 g = 41, 000 mg 7. 24 dm = 2400 mm 3. 7 L = 7000 m. L 8. 16 mg=. 16 dg 4. 4315 mg= 4. 315 g 9. 2. 21 L= 221 c. L 5. 10. 4 Kg= 4000 mg 0. 5 m = 500 cm

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

Metric conversions 16 -20 • 16. 2. 007 milliliters is how many liters? . 002007 L • 17. 0. 005 liters is how many milliliters? 5. m. L • 18. 650 dm is how many cm? 6500 cm • 19. convert 77, 000 cm into km. 00077 Km • 20. convert 1. 06 milliliters to kiloliters. 00000106 KL

Metric conversions 21 -24 • • 21. How many centimeters in a meter? 100 cm 22. How many milliliters in a litter 1000 m. L 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

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