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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 161 · 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. 1.5 × 1000 =
  2. 2.565 × 10 =
  3. 3.31 × 1000 =
  4. 4.30 × 100 =
  5. 5.46 × 1000 =
  6. 6.40 × 100 =
  7. 7.30 × 1000 =
  8. 8.28 × ? = 28000
  9. 9.709 × 10 =
  10. 10.96 × 10 =
  11. 11.14 × 1000 =
  12. 12.736 × 10 =
  13. 13.8 × 1000 =
  14. 14.67 × 10 =
  15. 15.34 × 1000 =
  16. 16.785 × ? = 7850
  17. 17.529 × 10 =
  18. 18.4 × 1000 =
  19. 19.25 × 10 =
  20. 20.49 × 1000 =
  21. 21.763 × ? = 7630
  22. 22.84 × ? = 840
  23. 23.91 × ? = 9100
  24. 24.15 × 100 =
  25. 25.4 × 100 =
  26. 26.762 × 10 =
  27. 27.33 × 1000 =
  28. 28.12 × 1000 =
  29. 29.986 × ? = 9860
  30. 30.552 × 10 =
  31. 31.64 × 100 =
  32. 32.87 × 100 =
  33. 33.27 × 100 =
  34. 34.193 × ? = 1930
  35. 35.241 × 10 =
  36. 36.735 × 10 =
  37. 37.89 × 100 =
  38. 38.697 × ? = 6970
  39. 39.7 × ? = 7000
  40. 40.400 × 10 =

Answer key

  1. 5000
  2. 5650
  3. 31000
  4. 3000
  5. 46000
  6. 4000
  7. 30000
  8. 1000
  9. 7090
  10. 960
  11. 14000
  12. 7360
  13. 8000
  14. 670
  15. 34000
  16. 10
  17. 5290
  18. 4000
  19. 250
  20. 49000
  21. 10
  22. 10
  23. 100
  24. 1500
  25. 400
  26. 7620
  27. 33000
  28. 12000
  29. 10
  30. 5520
  31. 6400
  32. 8700
  33. 2700
  34. 10
  35. 2410
  36. 7350
  37. 8900
  38. 10
  39. 1000
  40. 4000

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