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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 109 · 40 questions
TalentJR

The trick (Place-value slide): × 10: write one 0 after the number. × 100: write two 0s. × 1000: write three 0s. Missing number: count how many zeros were added — one 0 is × 10, two 0s is × 100.

NameDateTime takenScore ___ / 40
  1. 1.89 × ? = 8900
  2. 2.47 × 100 =
  3. 3.913 × ? = 9130
  4. 4.34 × 1000 =
  5. 5.178 × 10 =
  6. 6.418 × ? = 4180
  7. 7.72 × ? = 7200
  8. 8.394 × 10 =
  9. 9.61 × 10 =
  10. 10.71 × 100 =
  11. 11.44 × 1000 =
  12. 12.694 × ? = 6940
  13. 13.39 × ? = 39000
  14. 14.58 × 100 =
  15. 15.516 × 10 =
  16. 16.596 × 10 =
  17. 17.30 × ? = 30000
  18. 18.9 × 100 =
  19. 19.295 × 10 =
  20. 20.360 × 10 =
  21. 21.133 × 10 =
  22. 22.13 × 100 =
  23. 23.88 × ? = 8800
  24. 24.14 × 100 =
  25. 25.217 × 10 =
  26. 26.792 × ? = 7920
  27. 27.59 × 100 =
  28. 28.22 × 100 =
  29. 29.838 × 10 =
  30. 30.80 × 100 =
  31. 31.233 × 10 =
  32. 32.417 × ? = 4170
  33. 33.76 × ? = 7600
  34. 34.712 × 10 =
  35. 35.358 × ? = 3580
  36. 36.46 × ? = 4600
  37. 37.28 × 1000 =
  38. 38.14 × 1000 =
  39. 39.26 × ? = 26000
  40. 40.145 × 10 =

Answer key

  1. 100
  2. 4700
  3. 10
  4. 34000
  5. 1780
  6. 10
  7. 100
  8. 3940
  9. 610
  10. 7100
  11. 44000
  12. 10
  13. 1000
  14. 5800
  15. 5160
  16. 5960
  17. 1000
  18. 900
  19. 2950
  20. 3600
  21. 1330
  22. 1300
  23. 100
  24. 1400
  25. 2170
  26. 10
  27. 5900
  28. 2200
  29. 8380
  30. 8000
  31. 2330
  32. 10
  33. 100
  34. 7120
  35. 10
  36. 100
  37. 28000
  38. 14000
  39. 1000
  40. 1450

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