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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 754 · 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. 1.35 × ? = 3500
  2. 2.931 × 10 =
  3. 3.98 × 100 =
  4. 4.649 × ? = 6490
  5. 5.855 × 10 =
  6. 6.49 × ? = 49000
  7. 7.868 × 10 =
  8. 8.608 × 10 =
  9. 9.891 × 10 =
  10. 10.84 × ? = 8400
  11. 11.47 × 100 =
  12. 12.159 × 10 =
  13. 13.74 × ? = 7400
  14. 14.33 × 1000 =
  15. 15.22 × 100 =
  16. 16.40 × 100 =
  17. 17.15 × ? = 15000
  18. 18.29 × ? = 29000
  19. 19.435 × ? = 4350
  20. 20.31 × 100 =
  21. 21.579 × 10 =
  22. 22.869 × 10 =
  23. 23.766 × 10 =
  24. 24.691 × 10 =
  25. 25.241 × 10 =
  26. 26.442 × ? = 4420
  27. 27.850 × ? = 8500
  28. 28.41 × 1000 =
  29. 29.63 × 100 =
  30. 30.35 × 1000 =
  31. 31.57 × 100 =
  32. 32.79 × 100 =
  33. 33.831 × ? = 8310
  34. 34.235 × ? = 2350
  35. 35.497 × 10 =
  36. 36.313 × 10 =
  37. 37.190 × ? = 1900
  38. 38.39 × 1000 =
  39. 39.17 × 1000 =
  40. 40.54 × 10 =

Answer key

  1. 100
  2. 9310
  3. 9800
  4. 10
  5. 8550
  6. 1000
  7. 8680
  8. 6080
  9. 8910
  10. 100
  11. 4700
  12. 1590
  13. 100
  14. 33000
  15. 2200
  16. 4000
  17. 1000
  18. 1000
  19. 10
  20. 3100
  21. 5790
  22. 8690
  23. 7660
  24. 6910
  25. 2410
  26. 10
  27. 10
  28. 41000
  29. 6300
  30. 35000
  31. 5700
  32. 7900
  33. 10
  34. 10
  35. 4970
  36. 3130
  37. 10
  38. 39000
  39. 17000
  40. 540

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