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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 622 · 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. 1.435 × 10 =
  2. 2.57 × 10 =
  3. 3.281 × 10 =
  4. 4.172 × ? = 1720
  5. 5.83 × 100 =
  6. 6.45 × 10 =
  7. 7.8 × 1000 =
  8. 8.33 × 100 =
  9. 9.429 × 10 =
  10. 10.14 × 100 =
  11. 11.49 × 1000 =
  12. 12.41 × ? = 41000
  13. 13.18 × 1000 =
  14. 14.19 × ? = 19000
  15. 15.22 × ? = 22000
  16. 16.29 × 100 =
  17. 17.472 × ? = 4720
  18. 18.902 × 10 =
  19. 19.17 × 1000 =
  20. 20.668 × 10 =
  21. 21.868 × 10 =
  22. 22.55 × 100 =
  23. 23.967 × ? = 9670
  24. 24.190 × 10 =
  25. 25.98 × 10 =
  26. 26.993 × 10 =
  27. 27.78 × ? = 7800
  28. 28.16 × 1000 =
  29. 29.17 × 100 =
  30. 30.543 × 10 =
  31. 31.27 × 100 =
  32. 32.32 × 1000 =
  33. 33.79 × 100 =
  34. 34.46 × ? = 4600
  35. 35.961 × 10 =
  36. 36.531 × 10 =
  37. 37.3 × 1000 =
  38. 38.233 × 10 =
  39. 39.218 × 10 =
  40. 40.625 × ? = 6250

Answer key

  1. 4350
  2. 570
  3. 2810
  4. 10
  5. 8300
  6. 450
  7. 8000
  8. 3300
  9. 4290
  10. 1400
  11. 49000
  12. 1000
  13. 18000
  14. 1000
  15. 1000
  16. 2900
  17. 10
  18. 9020
  19. 17000
  20. 6680
  21. 8680
  22. 5500
  23. 10
  24. 1900
  25. 980
  26. 9930
  27. 100
  28. 16000
  29. 1700
  30. 5430
  31. 2700
  32. 32000
  33. 7900
  34. 100
  35. 9610
  36. 5310
  37. 3000
  38. 2330
  39. 2180
  40. 10

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