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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 530 · 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. 1.22 × ? = 22000
  2. 2.39 × 100 =
  3. 3.891 × ? = 8910
  4. 4.25 × 100 =
  5. 5.974 × 10 =
  6. 6.76 × 100 =
  7. 7.45 × 100 =
  8. 8.154 × 10 =
  9. 9.13 × 100 =
  10. 10.16 × 100 =
  11. 11.842 × 10 =
  12. 12.24 × 100 =
  13. 13.28 × ? = 2800
  14. 14.5 × ? = 500
  15. 15.33 × 1000 =
  16. 16.264 × ? = 2640
  17. 17.40 × ? = 4000
  18. 18.17 × ? = 1700
  19. 19.59 × 10 =
  20. 20.954 × 10 =
  21. 21.96 × ? = 9600
  22. 22.79 × 100 =
  23. 23.795 × 10 =
  24. 24.950 × 10 =
  25. 25.308 × ? = 3080
  26. 26.60 × ? = 6000
  27. 27.40 × 1000 =
  28. 28.48 × ? = 48000
  29. 29.47 × ? = 47000
  30. 30.49 × 10 =
  31. 31.95 × 10 =
  32. 32.757 × ? = 7570
  33. 33.575 × 10 =
  34. 34.459 × 10 =
  35. 35.12 × ? = 1200
  36. 36.93 × 100 =
  37. 37.775 × ? = 7750
  38. 38.73 × 100 =
  39. 39.96 × 100 =
  40. 40.86 × 100 =

Answer key

  1. 1000
  2. 3900
  3. 10
  4. 2500
  5. 9740
  6. 7600
  7. 4500
  8. 1540
  9. 1300
  10. 1600
  11. 8420
  12. 2400
  13. 100
  14. 100
  15. 33000
  16. 10
  17. 100
  18. 100
  19. 590
  20. 9540
  21. 100
  22. 7900
  23. 7950
  24. 9500
  25. 10
  26. 100
  27. 40000
  28. 1000
  29. 1000
  30. 490
  31. 950
  32. 10
  33. 5750
  34. 4590
  35. 100
  36. 9300
  37. 10
  38. 7300
  39. 9600
  40. 8600

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