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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 260 · 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. 1.21 × 100 =
  2. 2.19 × 1000 =
  3. 3.81 × ? = 8100
  4. 4.11 × 100 =
  5. 5.8 × 100 =
  6. 6.16 × 1000 =
  7. 7.9 × ? = 900
  8. 8.87 × 100 =
  9. 9.40 × 10 =
  10. 10.5 × ? = 500
  11. 11.28 × 1000 =
  12. 12.29 × 100 =
  13. 13.797 × ? = 7970
  14. 14.67 × ? = 6700
  15. 15.68 × ? = 6800
  16. 16.40 × ? = 4000
  17. 17.18 × 1000 =
  18. 18.709 × 10 =
  19. 19.48 × 1000 =
  20. 20.40 × 1000 =
  21. 21.831 × 10 =
  22. 22.782 × ? = 7820
  23. 23.50 × ? = 5000
  24. 24.23 × 1000 =
  25. 25.50 × 100 =
  26. 26.6 × 100 =
  27. 27.30 × ? = 30000
  28. 28.58 × 10 =
  29. 29.36 × 1000 =
  30. 30.46 × 1000 =
  31. 31.42 × ? = 4200
  32. 32.11 × ? = 1100
  33. 33.8 × ? = 8000
  34. 34.859 × ? = 8590
  35. 35.759 × ? = 7590
  36. 36.82 × 100 =
  37. 37.39 × 100 =
  38. 38.5 × 100 =
  39. 39.378 × 10 =
  40. 40.9 × 100 =

Answer key

  1. 2100
  2. 19000
  3. 100
  4. 1100
  5. 800
  6. 16000
  7. 100
  8. 8700
  9. 400
  10. 100
  11. 28000
  12. 2900
  13. 10
  14. 100
  15. 100
  16. 100
  17. 18000
  18. 7090
  19. 48000
  20. 40000
  21. 8310
  22. 10
  23. 100
  24. 23000
  25. 5000
  26. 600
  27. 1000
  28. 580
  29. 36000
  30. 46000
  31. 100
  32. 100
  33. 1000
  34. 10
  35. 10
  36. 8200
  37. 3900
  38. 500
  39. 3780
  40. 900

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