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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 48 · 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. 1.645 × 10 =
  2. 2.13 × 1000 =
  3. 3.10 × 1000 =
  4. 4.4 × 100 =
  5. 5.35 × ? = 350
  6. 6.3 × ? = 3000
  7. 7.11 × 100 =
  8. 8.27 × 1000 =
  9. 9.530 × 10 =
  10. 10.44 × 1000 =
  11. 11.784 × ? = 7840
  12. 12.85 × 100 =
  13. 13.3 × 1000 =
  14. 14.7 × 1000 =
  15. 15.63 × 100 =
  16. 16.5 × 10 =
  17. 17.465 × 10 =
  18. 18.4 × 10 =
  19. 19.414 × 10 =
  20. 20.59 × 100 =
  21. 21.15 × ? = 15000
  22. 22.230 × ? = 2300
  23. 23.882 × 10 =
  24. 24.179 × 10 =
  25. 25.38 × 1000 =
  26. 26.290 × 10 =
  27. 27.989 × 10 =
  28. 28.34 × 1000 =
  29. 29.428 × 10 =
  30. 30.18 × 100 =
  31. 31.13 × ? = 13000
  32. 32.28 × 100 =
  33. 33.32 × 1000 =
  34. 34.49 × 1000 =
  35. 35.97 × 10 =
  36. 36.426 × 10 =
  37. 37.28 × 1000 =
  38. 38.84 × 10 =
  39. 39.46 × 1000 =
  40. 40.36 × ? = 3600

Answer key

  1. 6450
  2. 13000
  3. 10000
  4. 400
  5. 10
  6. 1000
  7. 1100
  8. 27000
  9. 5300
  10. 44000
  11. 10
  12. 8500
  13. 3000
  14. 7000
  15. 6300
  16. 50
  17. 4650
  18. 40
  19. 4140
  20. 5900
  21. 1000
  22. 10
  23. 8820
  24. 1790
  25. 38000
  26. 2900
  27. 9890
  28. 34000
  29. 4280
  30. 1800
  31. 1000
  32. 2800
  33. 32000
  34. 49000
  35. 970
  36. 4260
  37. 28000
  38. 840
  39. 46000
  40. 100

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