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Multiply by 10, 100 and 1000 Worksheet

Maths tricks trick 4: Times 10, 100 and 1000 · Set 246 · 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. 1.81 × 100 =
  2. 2.81 × ? = 810
  3. 3.500 × ? = 5000
  4. 4.15 × 1000 =
  5. 5.271 × ? = 2710
  6. 6.250 × 10 =
  7. 7.56 × 100 =
  8. 8.56 × ? = 5600
  9. 9.31 × ? = 31000
  10. 10.23 × 100 =
  11. 11.198 × 10 =
  12. 12.55 × 100 =
  13. 13.851 × 10 =
  14. 14.602 × 10 =
  15. 15.11 × 1000 =
  16. 16.44 × 100 =
  17. 17.67 × ? = 6700
  18. 18.991 × 10 =
  19. 19.48 × 100 =
  20. 20.962 × ? = 9620
  21. 21.999 × 10 =
  22. 22.71 × ? = 710
  23. 23.84 × 100 =
  24. 24.22 × ? = 22000
  25. 25.502 × ? = 5020
  26. 26.265 × 10 =
  27. 27.897 × 10 =
  28. 28.373 × 10 =
  29. 29.298 × 10 =
  30. 30.18 × 1000 =
  31. 31.253 × ? = 2530
  32. 32.796 × 10 =
  33. 33.60 × 100 =
  34. 34.7 × ? = 7000
  35. 35.265 × ? = 2650
  36. 36.12 × 100 =
  37. 37.771 × 10 =
  38. 38.28 × 100 =
  39. 39.85 × ? = 8500
  40. 40.721 × 10 =

Answer key

  1. 8100
  2. 10
  3. 10
  4. 15000
  5. 10
  6. 2500
  7. 5600
  8. 100
  9. 1000
  10. 2300
  11. 1980
  12. 5500
  13. 8510
  14. 6020
  15. 11000
  16. 4400
  17. 100
  18. 9910
  19. 4800
  20. 10
  21. 9990
  22. 10
  23. 8400
  24. 1000
  25. 10
  26. 2650
  27. 8970
  28. 3730
  29. 2980
  30. 18000
  31. 10
  32. 7960
  33. 6000
  34. 1000
  35. 10
  36. 1200
  37. 7710
  38. 2800
  39. 100
  40. 7210

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