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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 265 · 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. 1.22 × 100 =
  2. 2.75 × ? = 7500
  3. 3.98 × ? = 9800
  4. 4.16 × 1000 =
  5. 5.143 × 10 =
  6. 6.7 × ? = 7000
  7. 7.77 × ? = 7700
  8. 8.586 × ? = 5860
  9. 9.845 × 10 =
  10. 10.30 × 10 =
  11. 11.10 × ? = 100
  12. 12.12 × 1000 =
  13. 13.449 × ? = 4490
  14. 14.32 × 1000 =
  15. 15.47 × 1000 =
  16. 16.47 × ? = 47000
  17. 17.607 × 10 =
  18. 18.46 × 1000 =
  19. 19.53 × 100 =
  20. 20.25 × 1000 =
  21. 21.198 × 10 =
  22. 22.34 × 1000 =
  23. 23.683 × 10 =
  24. 24.81 × 100 =
  25. 25.478 × ? = 4780
  26. 26.50 × ? = 50000
  27. 27.57 × ? = 5700
  28. 28.43 × ? = 43000
  29. 29.71 × 100 =
  30. 30.49 × ? = 49000
  31. 31.20 × 1000 =
  32. 32.29 × 10 =
  33. 33.19 × ? = 19000
  34. 34.94 × 100 =
  35. 35.876 × 10 =
  36. 36.356 × 10 =
  37. 37.31 × 1000 =
  38. 38.442 × 10 =
  39. 39.524 × 10 =
  40. 40.269 × 10 =

Answer key

  1. 2200
  2. 100
  3. 100
  4. 16000
  5. 1430
  6. 1000
  7. 100
  8. 10
  9. 8450
  10. 300
  11. 10
  12. 12000
  13. 10
  14. 32000
  15. 47000
  16. 1000
  17. 6070
  18. 46000
  19. 5300
  20. 25000
  21. 1980
  22. 34000
  23. 6830
  24. 8100
  25. 10
  26. 1000
  27. 100
  28. 1000
  29. 7100
  30. 1000
  31. 20000
  32. 290
  33. 1000
  34. 9400
  35. 8760
  36. 3560
  37. 31000
  38. 4420
  39. 5240
  40. 2690

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