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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 788 · 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. 1.122 × 10 =
  2. 2.4 × 1000 =
  3. 3.71 × 100 =
  4. 4.23 × 1000 =
  5. 5.77 × 100 =
  6. 6.199 × 10 =
  7. 7.7 × 1000 =
  8. 8.2 × ? = 2000
  9. 9.71 × ? = 7100
  10. 10.93 × 100 =
  11. 11.11 × 1000 =
  12. 12.467 × ? = 4670
  13. 13.43 × 1000 =
  14. 14.4 × ? = 4000
  15. 15.631 × 10 =
  16. 16.82 × 100 =
  17. 17.91 × 100 =
  18. 18.29 × 1000 =
  19. 19.210 × 10 =
  20. 20.165 × 10 =
  21. 21.4 × ? = 400
  22. 22.636 × 10 =
  23. 23.55 × ? = 5500
  24. 24.395 × 10 =
  25. 25.31 × 1000 =
  26. 26.598 × ? = 5980
  27. 27.40 × 1000 =
  28. 28.222 × ? = 2220
  29. 29.43 × 100 =
  30. 30.41 × ? = 41000
  31. 31.26 × 1000 =
  32. 32.64 × 100 =
  33. 33.14 × ? = 14000
  34. 34.530 × 10 =
  35. 35.23 × ? = 2300
  36. 36.22 × 100 =
  37. 37.345 × ? = 3450
  38. 38.972 × 10 =
  39. 39.210 × ? = 2100
  40. 40.338 × 10 =

Answer key

  1. 1220
  2. 4000
  3. 7100
  4. 23000
  5. 7700
  6. 1990
  7. 7000
  8. 1000
  9. 100
  10. 9300
  11. 11000
  12. 10
  13. 43000
  14. 1000
  15. 6310
  16. 8200
  17. 9100
  18. 29000
  19. 2100
  20. 1650
  21. 100
  22. 6360
  23. 100
  24. 3950
  25. 31000
  26. 10
  27. 40000
  28. 10
  29. 4300
  30. 1000
  31. 26000
  32. 6400
  33. 1000
  34. 5300
  35. 100
  36. 2200
  37. 10
  38. 9720
  39. 10
  40. 3380

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