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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 102 · 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. 1.342 × 10 =
  2. 2.10 × 100 =
  3. 3.250 × 10 =
  4. 4.221 × ? = 2210
  5. 5.3 × 1000 =
  6. 6.650 × 10 =
  7. 7.699 × ? = 6990
  8. 8.62 × 100 =
  9. 9.549 × 10 =
  10. 10.781 × 10 =
  11. 11.77 × ? = 7700
  12. 12.24 × 1000 =
  13. 13.64 × ? = 6400
  14. 14.77 × 10 =
  15. 15.19 × 1000 =
  16. 16.522 × ? = 5220
  17. 17.42 × 1000 =
  18. 18.494 × ? = 4940
  19. 19.25 × 1000 =
  20. 20.26 × ? = 26000
  21. 21.4 × ? = 400
  22. 22.860 × ? = 8600
  23. 23.730 × ? = 7300
  24. 24.91 × 100 =
  25. 25.23 × 100 =
  26. 26.48 × 1000 =
  27. 27.39 × ? = 390
  28. 28.21 × 1000 =
  29. 29.2 × 100 =
  30. 30.615 × 10 =
  31. 31.24 × ? = 24000
  32. 32.54 × 10 =
  33. 33.5 × 1000 =
  34. 34.816 × 10 =
  35. 35.82 × ? = 820
  36. 36.32 × 100 =
  37. 37.184 × ? = 1840
  38. 38.15 × 100 =
  39. 39.4 × ? = 4000
  40. 40.577 × 10 =

Answer key

  1. 3420
  2. 1000
  3. 2500
  4. 10
  5. 3000
  6. 6500
  7. 10
  8. 6200
  9. 5490
  10. 7810
  11. 100
  12. 24000
  13. 100
  14. 770
  15. 19000
  16. 10
  17. 42000
  18. 10
  19. 25000
  20. 1000
  21. 100
  22. 10
  23. 10
  24. 9100
  25. 2300
  26. 48000
  27. 10
  28. 21000
  29. 200
  30. 6150
  31. 1000
  32. 540
  33. 5000
  34. 8160
  35. 10
  36. 3200
  37. 10
  38. 1500
  39. 1000
  40. 5770

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