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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 243 · 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. 1.38 × 100 =
  2. 2.26 × ? = 26000
  3. 3.7 × 1000 =
  4. 4.79 × 100 =
  5. 5.47 × ? = 47000
  6. 6.15 × 1000 =
  7. 7.19 × ? = 1900
  8. 8.9 × ? = 900
  9. 9.55 × 100 =
  10. 10.28 × 100 =
  11. 11.29 × 1000 =
  12. 12.779 × 10 =
  13. 13.8 × 100 =
  14. 14.30 × ? = 3000
  15. 15.44 × 100 =
  16. 16.33 × ? = 33000
  17. 17.126 × 10 =
  18. 18.49 × 1000 =
  19. 19.42 × 10 =
  20. 20.494 × 10 =
  21. 21.365 × 10 =
  22. 22.82 × ? = 8200
  23. 23.737 × ? = 7370
  24. 24.985 × 10 =
  25. 25.3 × 1000 =
  26. 26.472 × 10 =
  27. 27.904 × 10 =
  28. 28.20 × 1000 =
  29. 29.721 × ? = 7210
  30. 30.7 × 100 =
  31. 31.677 × 10 =
  32. 32.4 × ? = 4000
  33. 33.943 × ? = 9430
  34. 34.6 × 1000 =
  35. 35.48 × 1000 =
  36. 36.36 × 100 =
  37. 37.305 × 10 =
  38. 38.84 × 100 =
  39. 39.15 × 100 =
  40. 40.3 × 100 =

Answer key

  1. 3800
  2. 1000
  3. 7000
  4. 7900
  5. 1000
  6. 15000
  7. 100
  8. 100
  9. 5500
  10. 2800
  11. 29000
  12. 7790
  13. 800
  14. 100
  15. 4400
  16. 1000
  17. 1260
  18. 49000
  19. 420
  20. 4940
  21. 3650
  22. 100
  23. 10
  24. 9850
  25. 3000
  26. 4720
  27. 9040
  28. 20000
  29. 10
  30. 700
  31. 6770
  32. 1000
  33. 10
  34. 6000
  35. 48000
  36. 3600
  37. 3050
  38. 8400
  39. 1500
  40. 300

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