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Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21.

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Presentation on theme: "Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21."— Presentation transcript:

1 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21

2 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 = 210

3 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) 6.4 = 210

4 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) 6.4 = 210 = 64

5 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) 0.7 = 210 = 64

6 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) 0.7 = 210 = 64 = 7

7 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) ) 1.05 = 210 = 64 = 7

8 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) ) 1.05 = 210 = 64 = 7 = 10.5

9 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) ) ) 9300 = 210 = 64 = 7 = 10.5

10 Multiplying and dividing by 10, 100, 1000 When you multiply by 10, what would the following numbers become: 1.) 21 2.) ) ) ) 9300 = 210 = 64 = 7 = 10.5 = 93000

11 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53

12 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) 1.9 = 53000

13 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) 1.9 = = 1900

14 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) = = 1900

15 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) = = 1900 = 2834

16 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) ) 0.4 = = 1900 = 2834

17 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) ) 0.4 = = 1900 = 2834 = 400

18 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) ) ) = = 1900 = 2834 = 400

19 Multiplying and dividing by 10, 100, 1000 When you multiply by 1000, what would the following numbers become: 1.) 53 2.) ) ) ) = = 1900 = 2834 = 400 = 79230

20 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61

21 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 = 6.1

22 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 = 6.1

23 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 = 6.1 = 0.5

24 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 3.) 437 = 6.1 = 0.5

25 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 3.) 437 = 6.1 = 0.5 = 43.7

26 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 3.) ) 0.41 = 6.1 = 0.5 = 43.7

27 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 3.) ) ) = 6.1 = 0.5 = 43.7 = 0.041

28 Multiplying and dividing by 10, 100, 1000 When you divide by 10, what would the following numbers become: 1.) 61 2.) 5 3.) ) ) = 6.1 = 0.5 = 43.7 = = 6907

29 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41

30 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 = 0.41

31 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 = 0.41

32 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 = 0.41 = 0.01

33 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) 3289 = 0.41 = 0.01

34 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) 3289 = 0.41 = 0.01 = 32.89

35 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) ) 0.2 = 0.41 = 0.01 = 32.89

36 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) ) 0.2 = 0.41 = 0.01 = = 0.002

37 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) ) ) 3050 = 0.41 = 0.01 = = 0.002

38 Multiplying and dividing by 10, 100, 1000 When you divide by 100, what would the following numbers become: 1.) 41 2.) 1 3.) ) ) 3050 = 0.41 = 0.01 = = = 30.5

39 Multiplying and dividing by 20 How could you work out 3.4 X 20?

40 Multiplying and dividing by 20 How could you work out 3.4 X 20? 20 is the same as 2 X 10

41 Multiplying and dividing by 20 How could you work out 3.4 X 20? 20 is the same as 2 X X 2 X 10

42 Multiplying and dividing by 20 How could you work out 3.4 X 20? 20 is the same as 2 X X 2 X X 2 = 6.8

43 Multiplying and dividing by 20 How could you work out 3.4 X 20? 20 is the same as 2 X X 2 X X 2 = X 10 = 68

44 Multiplying and dividing by 20 How could you work out 3.4 X 20? 20 is the same as 2 X X 2 X X 2 = X 10 = 68 So, 3.4 X 20 = 68

45 Multiplying and dividing by 20 How could you work out ?

46 Multiplying and dividing by 20 How could you work out ? This is the same as saying 180 2, then 10

47 Multiplying and dividing by 20 How could you work out ? This is the same as saying 180 2, then = 90

48 Multiplying and dividing by 20 How could you work out ? This is the same as saying 180 2, then = = 9

49 Multiplying and dividing by 20 How could you work out ? This is the same as saying 180 2, then = = 9 So, = 9

50 Multiplying and dividing by multiples of 10 Questions 1.) 0.2 X 30 2.) 3.1 X 20 3.) 15 X 10 4.) 0.5 X 40 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

51 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30 2.) 3.1 X 20 3.) 15 X 10 4.) 0.5 X 40 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

52 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20 3.) 15 X 10 4.) 0.5 X 40 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

53 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10 4.) 0.5 X 40 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

54 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

55 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20 6.) 2.6 X 20 7.) ) ) )

56 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20 7.) ) ) )

57 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20= 52 7.) ) ) )

58 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20= 52 7.) = ) ) )

59 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20= 52 7.) = ) = ) )

60 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20= 52 7.) = ) = ) = )

61 Multiplying and dividing by multiples of 10 QuestionsAnswers 1.) 0.2 X 30= 6 2.) 3.1 X 20= 62 3.) 15 X 10= ) 0.5 X 40= 20 5.) 1.4 X 20= 28 6.) 2.6 X 20= 52 7.) = ) = ) = ) = 7


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