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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 935 · 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. 1.278 × ? = 2780
  2. 2.32 × ? = 32000
  3. 3.637 × 10 =
  4. 4.12 × ? = 1200
  5. 5.2 × ? = 2000
  6. 6.17 × 1000 =
  7. 7.43 × 100 =
  8. 8.586 × 10 =
  9. 9.152 × 10 =
  10. 10.491 × 10 =
  11. 11.81 × 100 =
  12. 12.2 × 100 =
  13. 13.350 × 10 =
  14. 14.16 × ? = 1600
  15. 15.85 × ? = 8500
  16. 16.111 × ? = 1110
  17. 17.146 × ? = 1460
  18. 18.43 × 1000 =
  19. 19.624 × ? = 6240
  20. 20.217 × 10 =
  21. 21.86 × 100 =
  22. 22.33 × 1000 =
  23. 23.41 × ? = 41000
  24. 24.24 × ? = 24000
  25. 25.77 × 100 =
  26. 26.909 × ? = 9090
  27. 27.58 × 100 =
  28. 28.857 × 10 =
  29. 29.22 × 1000 =
  30. 30.34 × 100 =
  31. 31.568 × 10 =
  32. 32.8 × 1000 =
  33. 33.27 × 100 =
  34. 34.25 × 10 =
  35. 35.70 × 100 =
  36. 36.31 × 100 =
  37. 37.396 × 10 =
  38. 38.42 × ? = 42000
  39. 39.57 × 100 =
  40. 40.754 × 10 =

Answer key

  1. 10
  2. 1000
  3. 6370
  4. 100
  5. 1000
  6. 17000
  7. 4300
  8. 5860
  9. 1520
  10. 4910
  11. 8100
  12. 200
  13. 3500
  14. 100
  15. 100
  16. 10
  17. 10
  18. 43000
  19. 10
  20. 2170
  21. 8600
  22. 33000
  23. 1000
  24. 1000
  25. 7700
  26. 10
  27. 5800
  28. 8570
  29. 22000
  30. 3400
  31. 5680
  32. 8000
  33. 2700
  34. 250
  35. 7000
  36. 3100
  37. 3960
  38. 1000
  39. 5700
  40. 7540

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