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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 142 · 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. 1.838 × ? = 8380
  2. 2.12 × 1000 =
  3. 3.11 × ? = 1100
  4. 4.6 × ? = 6000
  5. 5.387 × 10 =
  6. 6.914 × 10 =
  7. 7.42 × 1000 =
  8. 8.43 × 1000 =
  9. 9.25 × ? = 2500
  10. 10.13 × ? = 13000
  11. 11.39 × 1000 =
  12. 12.31 × 100 =
  13. 13.456 × 10 =
  14. 14.375 × ? = 3750
  15. 15.27 × ? = 270
  16. 16.56 × ? = 5600
  17. 17.94 × 100 =
  18. 18.377 × 10 =
  19. 19.29 × ? = 29000
  20. 20.79 × 100 =
  21. 21.95 × ? = 950
  22. 22.49 × 100 =
  23. 23.43 × 100 =
  24. 24.61 × 10 =
  25. 25.47 × ? = 47000
  26. 26.803 × 10 =
  27. 27.744 × 10 =
  28. 28.38 × 10 =
  29. 29.47 × 1000 =
  30. 30.841 × 10 =
  31. 31.8 × ? = 800
  32. 32.618 × 10 =
  33. 33.808 × ? = 8080
  34. 34.34 × 1000 =
  35. 35.345 × 10 =
  36. 36.708 × ? = 7080
  37. 37.700 × 10 =
  38. 38.73 × 100 =
  39. 39.63 × 100 =
  40. 40.83 × 10 =

Answer key

  1. 10
  2. 12000
  3. 100
  4. 1000
  5. 3870
  6. 9140
  7. 42000
  8. 43000
  9. 100
  10. 1000
  11. 39000
  12. 3100
  13. 4560
  14. 10
  15. 10
  16. 100
  17. 9400
  18. 3770
  19. 1000
  20. 7900
  21. 10
  22. 4900
  23. 4300
  24. 610
  25. 1000
  26. 8030
  27. 7440
  28. 380
  29. 47000
  30. 8410
  31. 100
  32. 6180
  33. 10
  34. 34000
  35. 3450
  36. 10
  37. 7000
  38. 7300
  39. 6300
  40. 830

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