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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 906 · 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. 1.39 × ? = 3900
  2. 2.310 × 10 =
  3. 3.21 × ? = 21000
  4. 4.21 × 1000 =
  5. 5.23 × ? = 2300
  6. 6.26 × 100 =
  7. 7.45 × ? = 45000
  8. 8.85 × ? = 8500
  9. 9.27 × ? = 27000
  10. 10.6 × ? = 6000
  11. 11.51 × ? = 5100
  12. 12.83 × 100 =
  13. 13.806 × 10 =
  14. 14.682 × 10 =
  15. 15.80 × 100 =
  16. 16.96 × ? = 9600
  17. 17.91 × ? = 9100
  18. 18.833 × ? = 8330
  19. 19.795 × ? = 7950
  20. 20.296 × 10 =
  21. 21.272 × ? = 2720
  22. 22.6 × 1000 =
  23. 23.13 × 1000 =
  24. 24.7 × 10 =
  25. 25.448 × 10 =
  26. 26.23 × 1000 =
  27. 27.42 × 100 =
  28. 28.39 × 1000 =
  29. 29.46 × ? = 46000
  30. 30.404 × 10 =
  31. 31.686 × ? = 6860
  32. 32.16 × 1000 =
  33. 33.346 × ? = 3460
  34. 34.26 × 1000 =
  35. 35.104 × 10 =
  36. 36.291 × 10 =
  37. 37.38 × 100 =
  38. 38.571 × 10 =
  39. 39.352 × 10 =
  40. 40.98 × 10 =

Answer key

  1. 100
  2. 3100
  3. 1000
  4. 21000
  5. 100
  6. 2600
  7. 1000
  8. 100
  9. 1000
  10. 1000
  11. 100
  12. 8300
  13. 8060
  14. 6820
  15. 8000
  16. 100
  17. 100
  18. 10
  19. 10
  20. 2960
  21. 10
  22. 6000
  23. 13000
  24. 70
  25. 4480
  26. 23000
  27. 4200
  28. 39000
  29. 1000
  30. 4040
  31. 10
  32. 16000
  33. 10
  34. 26000
  35. 1040
  36. 2910
  37. 3800
  38. 5710
  39. 3520
  40. 980

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