Metric system conversions 2010
- 1. Warm-UpWhat are some units we measure with in the United States?Are our measuring systems easy or confusing? Explain
- 3. I. BackgroundBurma, Liberia, United StatesThe Metric System is a system of measurementUsed by scientists throughout the worldEasy to use because it is based on units of ten (10)
- 4. II. How to use itThe basic units:Length=meterVolume=literMass=gramAdd prefixes for larger or smaller divisionsKing Hector Decked ________ During Cold Months!
- 6. III. Conversions; Metric-MetricHow to do it:Set up the bottom 2 rows of the graphic organizerBegin at the prefix that you start withMove to the prefix you want to end withMove the decimal in the number in the same direction and the same number of times you moved on your graphic organizer
- 7. Example:Convert 1102 meters to kilometersLeftMove your decimal to the __________ Move a total of _________ spaces1102 meters = ____________________ kilometers31.102
- 8. Work with your partner to practice converting from Metric to Metric units.Use the problems provided by Mrs. Lock.
- 9. Warm-UpWhat is the metric system?How is the metric system set up?What is the metric unit for mass? volume? length?
- 10. ***Convert 5,562 meters to kilometersMove your decimal to the __________
- 11. Move a total of _________ spaces
- 12. 5562 meters = ____________________ kilometersIV. Conversions; Metric-English or English-MetricHow to do itWrite the number and units that you start withFind the conversion factor in your bookSet up the conversion factor as a fractionThe units you start with are on the bottomThe units you end up with are on the topMultiplyStarting units cross out and you are left with the ending units
- 13. Example:Convert 1102 kilometers to milesWrite 1102 kilometersThe conversion factor is 1km=0.621 mile(1102km) x (o.621 mile) = (1 km)5. Answer= ________________ miles
- 14. Work with your partner to practice converting from Metric to English and English to Metric units.Use the problems provided by Mrs. Lock.
- 16. CHALLENGE!What happens to an inchworm when we use metrics?To find the answer, lay a ruler across the right side of a piece of paper. Find the correct mark on the ruler for each letter. Write the letter above the ruler.H = 6.8 cm R = 208 mmG = 23.2 cm, 92 mm O = 14 cmU = 224mm N = 8.4 cm, 12.4 cmC = 6 cm A = 76 mm, 156mmE = 1 dm, 2dm B = 216 mmL = 4 cm, 17.6 cm, 32mm ‘ = 24mmT = 192mm, 132 mm, 16mmI = 11.6 cm, 18.4 cm, 8 mm
- 17. Warm-Up1. Complete textbook form2. Put your name in your book in INK3. Have Mrs. Lock sign book and collect paper4. Cover book by Friday, 9/25DO NOT POKE AROUND!
- 18. Warm-UpConvert 5,720 mi to km.Convert 23 dg to mg.
- 19. Practice Problem Answer Key