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1. The Metric System “I’m ten times better than the Standard system of measurement!”

2. Let’s do some review work before we begin.

3. Multiply each of the following numbers by 10 15 x 10 = 235 x 10 = 12.4 x 10 = 43.2 x 10 = 853.56 x 10 =

4. Multiply each of the following numbers by 10 15 x 10 = 150 235 x 10 = 12.4 x 10 = 43.2 x 10 = 853.56 x 10 =

5. Multiply each of the following numbers by 10 15 x 10 = 150 235 x 10 = 2350 12.4 x 10 = 43.2 x 10 = 853.56 x 10 =

6. Multiply each of the following numbers by 10 15 x 10 = 150 235 x 10 = 2350 12.4 x 10 = 124 43.2 x 10 = 853.56 x 10 =

7. Multiply each of the following numbers by 10 15 x 10 = 150 235 x 10 = 2350 12.4 x 10 = 124 43.2 x 10 = 432 853.56 x 10 =

8. Multiply each of the following numbers by 10 15 x 10 = 150 235 x 10 = 2350 12.4 x 10 = 124 43.2 x 10 = 432 853.56 x 10 = 8535.6

9. Multiply each of the following numbers by 100 15 x 100 = 235 x 100 = 12.4 x 100 = 43.2 x 100 = 853.56 x 100 =

10. Multiply each of the following numbers by 100 15 x 100 = 1500 235 x 100 = 12.4 x 100 = 43.2 x 100 = 853.56 x 100 =

11. Multiply each of the following numbers by 100 15 x 100 = 1500 235 x 100 = 23500 12.4 x 100 = 43.2 x 100 = 853.56 x 100 =

12. Multiply each of the following numbers by 100 15 x 100 = 1500 235 x 100 = 23500 12.4 x 100 = 1240 43.2 x 100 = 853.56 x 100 =

13. Multiply each of the following numbers by 100 15 x 100 = 1500 235 x 100 = 23500 12.4 x 100 = 1240 43.2 x 100 = 4320 853.56 x 100 =

14. Multiply each of the following numbers by 100 15 x 100 = 1500 235 x 100 = 23500 12.4 x 100 = 1240 43.2 x 100 = 4320 853.56 x 100 = 85356

15. Divide each of the following numbers by 10 230  10 = 4500  10 = 123.5  10 = 21.6  10 = 8.465  10 =

16. Divide each of the following numbers by 10 230  10 = 23 4500  10 = 123.5  10 = 21.6  10 = 8.465  10 =

17. Divide each of the following numbers by 10 230  10 = 23 4500  10 = 450 123.5  10 = 21.6  10 = 8.465  10 =

18. Divide each of the following numbers by 10 230  10 = 23 4500  10 = 450 123.5  10 = 12.35 21.6  10 = 8.465  10 =

19. Divide each of the following numbers by 10 230  10 = 23 4500  10 = 450 123.5  10 = 12.35 21.6  10 = 2.16 8.465  10 =

20. Divide each of the following numbers by 10 230  10 = 23 4500  10 = 450 123.5  10 = 12.35 21.6  10 = 2.16 8.465  10 = .8465

21. Divide each of the following numbers by 100 230  100 = 4500  100 = 123.5  100 = 21.6  100 = 8.465  100 =

22. Divide each of the following numbers by 100 230  100 = 2.30 4500  100 = 123.5  100 = 21.6  100 = 8.465  100 =

23. Divide each of the following numbers by 100 230  100 = 2.30 4500  100 = 45.00 123.5  100 = 21.6  100 = 8.465  100 =

24. Divide each of the following numbers by 100 230  100 = 2.30 4500  100 = 45.00 123.5  100 = 1.235 21.6  100 = 8.465  100 =

25. Divide each of the following numbers by 100 230  100 = 2.30 4500  100 = 45.00 123.5  100 = 1.235 21.6  100 = .216 8.465  100 =

26. Divide each of the following numbers by 100 230  100 = 2.30 4500  100 = 45.00 123.5  100 = 1.235 21.6  100 = .216 8.465  100 = .08465

27. Nice Job! If you can multiply & divide by 10 (or any power of 10), then the metric system will be easy for you.

28. THE METER The meter is the starting point for the metric system. START

29. Here’s a meter stick!

30. It takes 10 decimeters to make up 1 meter.

31. It takes 10 centimeters to make up 1 decimeter.

32. If 1 meter = 10 decimetersand1 decimeter = 10 centimetersthen how many centimeters make up 1 meter?

33. That’s right!1 meter = 100 centimeters

34. 100centimeters = 1 meter

35. It takes 10 millimeters to make up 1 centimeter. Boy, that’s small!

36. If 1 meter = 10 decimetersand1 decimeter = 10 centimetersand1centimeter = 10 millimetersthen how many millimeters make up 1 meter?

37. That’s right!1000 millimeters = 1 meter

38. It takes 10 millimeters to make up 1 centimeter. Millimeters are so small that they almost run together.

39. Now let’s take a closer look at some measuring devices.

40. This is a magnified image of a ruler/meter stick. 1 2 3 4 This is one centimeter.

41. This is a magnified image of a ruler/meter stick. 1 2 3 4 This is half of a centimeter.

42. This is a magnified image of a ruler/meter stick. 1 2 3 4 This is one millimeter.

43. This key measures 3 cm. 1 2 3 4

44. This key measures 2.5 cm. 1 2 3 4

45. 1 2 3 4 This toy car measures 4.2 cm.

46. 1 2 3 4 Or, you could say it measures 42 mm.

47. The metric system deals with powers of 10 1 meter = 10 decimeters = 100 centimeters = 1000 millimeters

48. How many centimeters make up 2 meters?