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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 865 · 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. 1.800 × 10 =
  2. 2.3 × 1000 =
  3. 3.6 × 100 =
  4. 4.858 × ? = 8580
  5. 5.70 × ? = 7000
  6. 6.826 × ? = 8260
  7. 7.75 × 100 =
  8. 8.30 × ? = 30000
  9. 9.93 × ? = 9300
  10. 10.36 × 100 =
  11. 11.57 × 100 =
  12. 12.24 × 1000 =
  13. 13.295 × 10 =
  14. 14.589 × 10 =
  15. 15.33 × 1000 =
  16. 16.23 × 1000 =
  17. 17.25 × 100 =
  18. 18.3 × 100 =
  19. 19.30 × 1000 =
  20. 20.20 × 1000 =
  21. 21.44 × 100 =
  22. 22.28 × ? = 28000
  23. 23.15 × 1000 =
  24. 24.48 × ? = 48000
  25. 25.633 × 10 =
  26. 26.8 × ? = 8000
  27. 27.33 × ? = 33000
  28. 28.12 × ? = 1200
  29. 29.8 × 1000 =
  30. 30.8 × 100 =
  31. 31.35 × 100 =
  32. 32.20 × 100 =
  33. 33.748 × 10 =
  34. 34.421 × ? = 4210
  35. 35.42 × ? = 42000
  36. 36.631 × 10 =
  37. 37.30 × 100 =
  38. 38.16 × ? = 16000
  39. 39.704 × 10 =
  40. 40.9 × 100 =

Answer key

  1. 8000
  2. 3000
  3. 600
  4. 10
  5. 100
  6. 10
  7. 7500
  8. 1000
  9. 100
  10. 3600
  11. 5700
  12. 24000
  13. 2950
  14. 5890
  15. 33000
  16. 23000
  17. 2500
  18. 300
  19. 30000
  20. 20000
  21. 4400
  22. 1000
  23. 15000
  24. 1000
  25. 6330
  26. 1000
  27. 1000
  28. 100
  29. 8000
  30. 800
  31. 3500
  32. 2000
  33. 7480
  34. 10
  35. 1000
  36. 6310
  37. 3000
  38. 1000
  39. 7040
  40. 900

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