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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 742 · 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. 1.2 × 100 =
  2. 2.13 × ? = 13000
  3. 3.33 × ? = 330
  4. 4.10 × 1000 =
  5. 5.73 × 100 =
  6. 6.812 × 10 =
  7. 7.42 × ? = 4200
  8. 8.329 × 10 =
  9. 9.79 × 100 =
  10. 10.48 × 100 =
  11. 11.5 × ? = 5000
  12. 12.969 × 10 =
  13. 13.21 × ? = 21000
  14. 14.32 × ? = 3200
  15. 15.799 × 10 =
  16. 16.721 × ? = 7210
  17. 17.77 × ? = 7700
  18. 18.824 × 10 =
  19. 19.369 × 10 =
  20. 20.42 × 1000 =
  21. 21.5 × ? = 500
  22. 22.251 × ? = 2510
  23. 23.499 × 10 =
  24. 24.10 × ? = 10000
  25. 25.82 × 100 =
  26. 26.105 × ? = 1050
  27. 27.25 × 100 =
  28. 28.567 × 10 =
  29. 29.723 × ? = 7230
  30. 30.71 × 100 =
  31. 31.17 × 100 =
  32. 32.9 × ? = 9000
  33. 33.23 × 1000 =
  34. 34.533 × 10 =
  35. 35.481 × 10 =
  36. 36.629 × 10 =
  37. 37.361 × ? = 3610
  38. 38.29 × ? = 2900
  39. 39.583 × ? = 5830
  40. 40.31 × ? = 3100

Answer key

  1. 200
  2. 1000
  3. 10
  4. 10000
  5. 7300
  6. 8120
  7. 100
  8. 3290
  9. 7900
  10. 4800
  11. 1000
  12. 9690
  13. 1000
  14. 100
  15. 7990
  16. 10
  17. 100
  18. 8240
  19. 3690
  20. 42000
  21. 100
  22. 10
  23. 4990
  24. 1000
  25. 8200
  26. 10
  27. 2500
  28. 5670
  29. 10
  30. 7100
  31. 1700
  32. 1000
  33. 23000
  34. 5330
  35. 4810
  36. 6290
  37. 10
  38. 100
  39. 10
  40. 100

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