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Multiplying and Dividing by 10 & 100

Multiplying and Dividing by 10 & 100. If you know your 10 x table you can multiply by ten!. 1 x 10 = 10 2 x 10 = 20 3 x 10 = 30 4 x 10 = 40 5 x 10 = 50 6 x 10 = 60 7 x 10 = 70 8 x 10 = 80 9 x 10 = 90 10 x 10 = 100. 10 X Table. Multiples of 10. 1 x 100 = 100 2 x 100 = 200

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Multiplying and Dividing by 10 & 100

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  1. Multiplying and Dividing by 10 & 100

  2. If you know your 10 x table you can multiply by ten!

  3. 1 x 10 = 10 2 x 10 = 20 3 x 10 = 30 4 x 10 = 40 5 x 10 = 50 6 x 10 = 60 7 x 10 = 70 8 x 10 = 80 9 x 10 = 90 10 x 10 = 100 10 X Table Multiples of 10

  4. 1 x 100 = 100 2 x 100 = 200 3 x 100 = 300 4 x 100 = 400 5 x 100 = 500 6 x 100 = 600 7 x 100 = 700 8 x 100 = 800 9 x 100 = 900 10 x 100 = 1000 100 X Table Multiples of 100

  5. So you know your 10x table And your 100 x table

  6. Can we spot an easy way to help us multiply and divide by 10 and 100

  7. Multiplying a number by 10 H T U 7 x 10 7 0 The number became 10x bigger

  8. Multiplying a number by 10 H T U 8 x 10 8 0 The number became 10x bigger

  9. Multiplying a number by 10 H T U 9 x 10 9 0 The number became 10x bigger

  10. Multiplying a number by 10 H T U 1 9 x 10 1 9 0 Each part of the number is 10x bigger

  11. Multiplying a number by 10 H T U 4 5 x 10 4 5 0 Each part of the number is 10x bigger

  12. Multiplying a number by 10 H T U 6 0 x 10 6 0 0 Each part of the number is 10x bigger

  13. Multiplying a number by 10 Th H T U 1 6 0 x 10 1 6 0 0 Each part of the number is 10x bigger

  14. Multiplying a number by 10 Th H T U 2 5 9 x 10 2 5 9 0 Each part of the number is 10x bigger

  15. Multiplying a number by 10 Th H T U 7 8 4 x 10 7 8 4 0 Each part of the number is 10x bigger

  16. Multiplying a number by 10

  17. Dividing a number by 10 H T U 7 0 ÷ 10 7 The number is 10x smaller

  18. Dividing a number by 10 H T U 5 0 ÷ 10 5 The number is 10x smaller

  19. Dividing a number by 10 H T U 1 5 0 ÷ 10 1 5 Each part of the number is 10x smaller

  20. Dividing a number by 10 H T U 3 4 0 ÷ 10 3 4 Each part of the number is 10x smaller

  21. Dividing a number by 10 Th H T U 1 2 5 0 ÷ 10 1 2 5 Each part of the number is 10x smaller

  22. Dividing a number by 10 Th H T U 4 6 0 0 ÷ 10 4 6 0 Each part of the number is 10x smaller

  23. Dividing a number by 10

  24. Multiplying a number by 100 H T U 7 x 100 7 0 0 The number is 100x bigger

  25. Multiplying a number by 100 H T U 8 x 100 8 0 0 The number is 100x bigger

  26. Multiplying a number by 100 Th H T U 1 9 x 100 1 9 0 0 Each part of the number is 100x bigger

  27. Multiplying a number by 100 Th H T U 2 2 x 100 2 2 0 0 Each part of the number is 100x bigger

  28. Multiplying a number by 100 Th H T U 7 8 x 100 7 8 0 0 Each part of the number is 100x bigger

  29. Multiplying a number by 100

  30. Dividing a number by 100 Th H T U 6 0 0 ÷ 100 6 The number is 100x smaller

  31. Dividing a number by 100 Th H T U 8 0 0 ÷ 100 8 The number is 100x smaller

  32. Dividing a number by 100 Th H T U 1 8 0 0 ÷ 100 1 8 Each part of the number is 100x smaller

  33. Dividing a number by 100 Th H T U 7 6 0 0 ÷ 100 7 6 Each part of the number is 100x smaller

  34. What happens when you multiply and divide by 10 TTh Th H T U 2 4 x 10 2 4 0 2 0 0 ÷ 10 2 0

  35. What happens when you multiply and divide by 10 TTh Th H T U 1 2 4 x 10 1 2 4 0 2 1 5 0 ÷ 10 2 1 5

  36. What happens when you multiply and divide by 100 TTh Th H T U 1 2 4 x 100 1 2 4 0 0 1 3 2 0 0 ÷ 100 1 3 2

  37. What happens when you multiply and divide by 1 000 TTh Th H T U 2 4 x 1 000 2 4 0 0 0 1 3 0 0 0 ÷ 1000 1 3

  38. What happens when you multiply and divide by 1 000 TTh Th H T U 5 6 x 1 000 5 6 0 0 0 7 2 0 0 0 ÷ 1000 7 2

  39. What happens when you multiply and divide by 10 H T U . t 3 7 . 3 x 10 3 7 3 3 7 3 ÷ 10 3 7 . 3

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