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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 703 · 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. 1.99 × ? = 9900
  2. 2.42 × 1000 =
  3. 3.843 × 10 =
  4. 4.108 × 10 =
  5. 5.31 × ? = 31000
  6. 6.14 × 10 =
  7. 7.744 × ? = 7440
  8. 8.851 × ? = 8510
  9. 9.8 × ? = 800
  10. 10.483 × ? = 4830
  11. 11.11 × 1000 =
  12. 12.303 × 10 =
  13. 13.317 × ? = 3170
  14. 14.49 × ? = 4900
  15. 15.30 × 1000 =
  16. 16.58 × ? = 5800
  17. 17.571 × 10 =
  18. 18.7 × ? = 70
  19. 19.616 × 10 =
  20. 20.10 × 10 =
  21. 21.4 × ? = 4000
  22. 22.760 × 10 =
  23. 23.703 × ? = 7030
  24. 24.22 × 1000 =
  25. 25.772 × ? = 7720
  26. 26.257 × 10 =
  27. 27.81 × ? = 8100
  28. 28.64 × ? = 6400
  29. 29.87 × ? = 870
  30. 30.916 × 10 =
  31. 31.708 × 10 =
  32. 32.73 × 100 =
  33. 33.26 × 100 =
  34. 34.943 × 10 =
  35. 35.383 × 10 =
  36. 36.9 × ? = 90
  37. 37.75 × 100 =
  38. 38.17 × 100 =
  39. 39.629 × ? = 6290
  40. 40.358 × 10 =

Answer key

  1. 100
  2. 42000
  3. 8430
  4. 1080
  5. 1000
  6. 140
  7. 10
  8. 10
  9. 100
  10. 10
  11. 11000
  12. 3030
  13. 10
  14. 100
  15. 30000
  16. 100
  17. 5710
  18. 10
  19. 6160
  20. 100
  21. 1000
  22. 7600
  23. 10
  24. 22000
  25. 10
  26. 2570
  27. 100
  28. 100
  29. 10
  30. 9160
  31. 7080
  32. 7300
  33. 2600
  34. 9430
  35. 3830
  36. 10
  37. 7500
  38. 1700
  39. 10
  40. 3580

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