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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 490 · 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. 1.38 × 1000 =
  2. 2.424 × 10 =
  3. 3.15 × ? = 1500
  4. 4.7 × ? = 7000
  5. 5.833 × ? = 8330
  6. 6.10 × ? = 10000
  7. 7.43 × 1000 =
  8. 8.69 × 100 =
  9. 9.7 × 1000 =
  10. 10.141 × ? = 1410
  11. 11.32 × 100 =
  12. 12.714 × ? = 7140
  13. 13.746 × 10 =
  14. 14.12 × ? = 12000
  15. 15.689 × 10 =
  16. 16.488 × 10 =
  17. 17.34 × 1000 =
  18. 18.581 × 10 =
  19. 19.946 × 10 =
  20. 20.902 × ? = 9020
  21. 21.94 × 100 =
  22. 22.588 × ? = 5880
  23. 23.189 × ? = 1890
  24. 24.55 × 10 =
  25. 25.749 × 10 =
  26. 26.53 × 100 =
  27. 27.190 × ? = 1900
  28. 28.173 × 10 =
  29. 29.137 × 10 =
  30. 30.889 × 10 =
  31. 31.991 × ? = 9910
  32. 32.195 × 10 =
  33. 33.536 × ? = 5360
  34. 34.19 × 1000 =
  35. 35.259 × ? = 2590
  36. 36.530 × 10 =
  37. 37.21 × 100 =
  38. 38.187 × 10 =
  39. 39.80 × 100 =
  40. 40.49 × 1000 =

Answer key

  1. 38000
  2. 4240
  3. 100
  4. 1000
  5. 10
  6. 1000
  7. 43000
  8. 6900
  9. 7000
  10. 10
  11. 3200
  12. 10
  13. 7460
  14. 1000
  15. 6890
  16. 4880
  17. 34000
  18. 5810
  19. 9460
  20. 10
  21. 9400
  22. 10
  23. 10
  24. 550
  25. 7490
  26. 5300
  27. 10
  28. 1730
  29. 1370
  30. 8890
  31. 10
  32. 1950
  33. 10
  34. 19000
  35. 10
  36. 5300
  37. 2100
  38. 1870
  39. 8000
  40. 49000

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