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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 492 · 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. 1.50 × 1000 =
  2. 2.61 × 100 =
  3. 3.631 × ? = 6310
  4. 4.6 × ? = 600
  5. 5.945 × 10 =
  6. 6.255 × 10 =
  7. 7.96 × 100 =
  8. 8.44 × ? = 44000
  9. 9.29 × ? = 29000
  10. 10.147 × 10 =
  11. 11.58 × 100 =
  12. 12.128 × ? = 1280
  13. 13.33 × ? = 3300
  14. 14.5 × 100 =
  15. 15.5 × ? = 500
  16. 16.249 × ? = 2490
  17. 17.336 × ? = 3360
  18. 18.998 × 10 =
  19. 19.41 × ? = 4100
  20. 20.43 × 100 =
  21. 21.20 × ? = 20000
  22. 22.96 × ? = 9600
  23. 23.30 × 1000 =
  24. 24.199 × 10 =
  25. 25.80 × 100 =
  26. 26.28 × 1000 =
  27. 27.25 × 1000 =
  28. 28.626 × ? = 6260
  29. 29.39 × 1000 =
  30. 30.8 × ? = 8000
  31. 31.32 × ? = 3200
  32. 32.823 × ? = 8230
  33. 33.806 × ? = 8060
  34. 34.666 × ? = 6660
  35. 35.28 × 100 =
  36. 36.124 × 10 =
  37. 37.977 × ? = 9770
  38. 38.707 × ? = 7070
  39. 39.33 × 1000 =
  40. 40.39 × 100 =

Answer key

  1. 50000
  2. 6100
  3. 10
  4. 100
  5. 9450
  6. 2550
  7. 9600
  8. 1000
  9. 1000
  10. 1470
  11. 5800
  12. 10
  13. 100
  14. 500
  15. 100
  16. 10
  17. 10
  18. 9980
  19. 100
  20. 4300
  21. 1000
  22. 100
  23. 30000
  24. 1990
  25. 8000
  26. 28000
  27. 25000
  28. 10
  29. 39000
  30. 1000
  31. 100
  32. 10
  33. 10
  34. 10
  35. 2800
  36. 1240
  37. 10
  38. 10
  39. 33000
  40. 3900

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