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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 172 · 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. 1.857 × 10 =
  2. 2.19 × ? = 19000
  3. 3.379 × 10 =
  4. 4.40 × ? = 4000
  5. 5.25 × 1000 =
  6. 6.5 × ? = 5000
  7. 7.336 × 10 =
  8. 8.30 × 1000 =
  9. 9.26 × 1000 =
  10. 10.749 × ? = 7490
  11. 11.36 × 1000 =
  12. 12.8 × 100 =
  13. 13.19 × 100 =
  14. 14.579 × 10 =
  15. 15.71 × ? = 7100
  16. 16.85 × ? = 8500
  17. 17.15 × 1000 =
  18. 18.83 × 100 =
  19. 19.48 × 100 =
  20. 20.24 × ? = 2400
  21. 21.478 × 10 =
  22. 22.41 × 1000 =
  23. 23.998 × 10 =
  24. 24.15 × ? = 1500
  25. 25.7 × 1000 =
  26. 26.72 × ? = 7200
  27. 27.23 × ? = 23000
  28. 28.86 × 100 =
  29. 29.11 × 100 =
  30. 30.666 × 10 =
  31. 31.21 × ? = 21000
  32. 32.43 × ? = 430
  33. 33.519 × 10 =
  34. 34.4 × 1000 =
  35. 35.482 × ? = 4820
  36. 36.48 × ? = 48000
  37. 37.90 × ? = 9000
  38. 38.39 × 100 =
  39. 39.489 × 10 =
  40. 40.95 × 100 =

Answer key

  1. 8570
  2. 1000
  3. 3790
  4. 100
  5. 25000
  6. 1000
  7. 3360
  8. 30000
  9. 26000
  10. 10
  11. 36000
  12. 800
  13. 1900
  14. 5790
  15. 100
  16. 100
  17. 15000
  18. 8300
  19. 4800
  20. 100
  21. 4780
  22. 41000
  23. 9980
  24. 100
  25. 7000
  26. 100
  27. 1000
  28. 8600
  29. 1100
  30. 6660
  31. 1000
  32. 10
  33. 5190
  34. 4000
  35. 10
  36. 1000
  37. 100
  38. 3900
  39. 4890
  40. 9500

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