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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 220 · 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. 1.9 × 10 =
  2. 2.18 × ? = 1800
  3. 3.408 × 10 =
  4. 4.69 × 100 =
  5. 5.24 × 1000 =
  6. 6.48 × 100 =
  7. 7.33 × 1000 =
  8. 8.42 × 100 =
  9. 9.259 × ? = 2590
  10. 10.770 × ? = 7700
  11. 11.11 × 1000 =
  12. 12.566 × 10 =
  13. 13.3 × 1000 =
  14. 14.11 × ? = 1100
  15. 15.57 × 100 =
  16. 16.36 × 1000 =
  17. 17.19 × ? = 19000
  18. 18.361 × ? = 3610
  19. 19.941 × ? = 9410
  20. 20.171 × 10 =
  21. 21.17 × ? = 1700
  22. 22.50 × ? = 50000
  23. 23.13 × 10 =
  24. 24.747 × 10 =
  25. 25.31 × 1000 =
  26. 26.459 × 10 =
  27. 27.179 × ? = 1790
  28. 28.23 × 1000 =
  29. 29.35 × 1000 =
  30. 30.9 × 1000 =
  31. 31.525 × ? = 5250
  32. 32.476 × 10 =
  33. 33.4 × ? = 400
  34. 34.49 × 1000 =
  35. 35.12 × ? = 12000
  36. 36.37 × 1000 =
  37. 37.27 × ? = 27000
  38. 38.422 × ? = 4220
  39. 39.857 × ? = 8570
  40. 40.36 × ? = 36000

Answer key

  1. 90
  2. 100
  3. 4080
  4. 6900
  5. 24000
  6. 4800
  7. 33000
  8. 4200
  9. 10
  10. 10
  11. 11000
  12. 5660
  13. 3000
  14. 100
  15. 5700
  16. 36000
  17. 1000
  18. 10
  19. 10
  20. 1710
  21. 100
  22. 1000
  23. 130
  24. 7470
  25. 31000
  26. 4590
  27. 10
  28. 23000
  29. 35000
  30. 9000
  31. 10
  32. 4760
  33. 100
  34. 49000
  35. 1000
  36. 37000
  37. 1000
  38. 10
  39. 10
  40. 1000

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