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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 274 · 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. 1.7 × 100 =
  2. 2.35 × ? = 3500
  3. 3.917 × 10 =
  4. 4.899 × 10 =
  5. 5.6 × ? = 6000
  6. 6.11 × 100 =
  7. 7.8 × 1000 =
  8. 8.98 × ? = 9800
  9. 9.414 × 10 =
  10. 10.322 × 10 =
  11. 11.99 × 10 =
  12. 12.354 × 10 =
  13. 13.785 × 10 =
  14. 14.62 × 100 =
  15. 15.32 × 100 =
  16. 16.13 × ? = 13000
  17. 17.4 × ? = 400
  18. 18.76 × 100 =
  19. 19.61 × ? = 6100
  20. 20.9 × 1000 =
  21. 21.46 × ? = 46000
  22. 22.97 × 100 =
  23. 23.826 × 10 =
  24. 24.804 × 10 =
  25. 25.532 × 10 =
  26. 26.61 × 100 =
  27. 27.381 × 10 =
  28. 28.106 × ? = 1060
  29. 29.598 × 10 =
  30. 30.300 × ? = 3000
  31. 31.790 × ? = 7900
  32. 32.16 × 100 =
  33. 33.129 × 10 =
  34. 34.14 × ? = 1400
  35. 35.2 × 10 =
  36. 36.37 × ? = 37000
  37. 37.103 × ? = 1030
  38. 38.49 × ? = 49000
  39. 39.8 × ? = 8000
  40. 40.4 × ? = 4000

Answer key

  1. 700
  2. 100
  3. 9170
  4. 8990
  5. 1000
  6. 1100
  7. 8000
  8. 100
  9. 4140
  10. 3220
  11. 990
  12. 3540
  13. 7850
  14. 6200
  15. 3200
  16. 1000
  17. 100
  18. 7600
  19. 100
  20. 9000
  21. 1000
  22. 9700
  23. 8260
  24. 8040
  25. 5320
  26. 6100
  27. 3810
  28. 10
  29. 5980
  30. 10
  31. 10
  32. 1600
  33. 1290
  34. 100
  35. 20
  36. 1000
  37. 10
  38. 1000
  39. 1000
  40. 1000

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