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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 405 · 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. 1.21 × 1000 =
  2. 2.10 × 1000 =
  3. 3.29 × 100 =
  4. 4.882 × 10 =
  5. 5.457 × 10 =
  6. 6.49 × 100 =
  7. 7.737 × 10 =
  8. 8.16 × 100 =
  9. 9.11 × ? = 11000
  10. 10.912 × 10 =
  11. 11.31 × ? = 31000
  12. 12.23 × ? = 23000
  13. 13.8 × 1000 =
  14. 14.658 × ? = 6580
  15. 15.47 × 100 =
  16. 16.498 × 10 =
  17. 17.6 × 1000 =
  18. 18.20 × 1000 =
  19. 19.48 × 1000 =
  20. 20.21 × ? = 210
  21. 21.36 × 1000 =
  22. 22.35 × 1000 =
  23. 23.925 × 10 =
  24. 24.33 × 1000 =
  25. 25.116 × 10 =
  26. 26.49 × 1000 =
  27. 27.397 × ? = 3970
  28. 28.37 × ? = 37000
  29. 29.202 × ? = 2020
  30. 30.23 × 10 =
  31. 31.24 × ? = 24000
  32. 32.109 × 10 =
  33. 33.61 × ? = 6100
  34. 34.26 × ? = 2600
  35. 35.34 × 1000 =
  36. 36.703 × 10 =
  37. 37.48 × 10 =
  38. 38.13 × 1000 =
  39. 39.81 × 100 =
  40. 40.9 × ? = 900

Answer key

  1. 21000
  2. 10000
  3. 2900
  4. 8820
  5. 4570
  6. 4900
  7. 7370
  8. 1600
  9. 1000
  10. 9120
  11. 1000
  12. 1000
  13. 8000
  14. 10
  15. 4700
  16. 4980
  17. 6000
  18. 20000
  19. 48000
  20. 10
  21. 36000
  22. 35000
  23. 9250
  24. 33000
  25. 1160
  26. 49000
  27. 10
  28. 1000
  29. 10
  30. 230
  31. 1000
  32. 1090
  33. 100
  34. 100
  35. 34000
  36. 7030
  37. 480
  38. 13000
  39. 8100
  40. 100

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