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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 839 · 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. 1.28 × 1000 =
  2. 2.70 × ? = 7000
  3. 3.20 × 100 =
  4. 4.424 × ? = 4240
  5. 5.232 × 10 =
  6. 6.968 × ? = 9680
  7. 7.27 × 1000 =
  8. 8.721 × 10 =
  9. 9.76 × ? = 7600
  10. 10.79 × 100 =
  11. 11.46 × ? = 46000
  12. 12.95 × 10 =
  13. 13.41 × 1000 =
  14. 14.814 × ? = 8140
  15. 15.19 × 1000 =
  16. 16.19 × ? = 19000
  17. 17.685 × 10 =
  18. 18.50 × ? = 50000
  19. 19.17 × 100 =
  20. 20.45 × ? = 45000
  21. 21.90 × ? = 9000
  22. 22.36 × ? = 36000
  23. 23.72 × ? = 7200
  24. 24.5 × 1000 =
  25. 25.769 × ? = 7690
  26. 26.268 × 10 =
  27. 27.20 × 1000 =
  28. 28.14 × 1000 =
  29. 29.34 × 1000 =
  30. 30.66 × 100 =
  31. 31.40 × 100 =
  32. 32.6 × 100 =
  33. 33.797 × ? = 7970
  34. 34.707 × 10 =
  35. 35.57 × 10 =
  36. 36.471 × ? = 4710
  37. 37.11 × ? = 11000
  38. 38.928 × 10 =
  39. 39.15 × ? = 15000
  40. 40.245 × 10 =

Answer key

  1. 28000
  2. 100
  3. 2000
  4. 10
  5. 2320
  6. 10
  7. 27000
  8. 7210
  9. 100
  10. 7900
  11. 1000
  12. 950
  13. 41000
  14. 10
  15. 19000
  16. 1000
  17. 6850
  18. 1000
  19. 1700
  20. 1000
  21. 100
  22. 1000
  23. 100
  24. 5000
  25. 10
  26. 2680
  27. 20000
  28. 14000
  29. 34000
  30. 6600
  31. 4000
  32. 600
  33. 10
  34. 7070
  35. 570
  36. 10
  37. 1000
  38. 9280
  39. 1000
  40. 2450

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