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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 503 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.71³ =
  2. 2.92³ =
  3. 3.61³ =
  4. 4.24³ =
  5. 5.34³ =
  6. 6.36³ =
  7. 7.86³ =
  8. 8.91³ =
  9. 9.68³ =
  10. 10.93³ =
  11. 11.39³ =
  12. 12.51³ =
  13. 13.21³ =
  14. 14.12³ =
  15. 15.27³ =
  16. 16.44³ =
  17. 17.87³ =
  18. 18.93³ =
  19. 19.61³ =
  20. 20.57³ =
  21. 21.49³ =
  22. 22.71³ =
  23. 23.88³ =
  24. 24.19³ =
  25. 25.51³ =
  26. 26.84³ =
  27. 27.47³ =
  28. 28.22³ =
  29. 29.56³ =
  30. 30.39³ =
  31. 31.22³ =
  32. 32.51³ =
  33. 33.89³ =
  34. 34.81³ =
  35. 35.54³ =
  36. 36.88³ =
  37. 37.71³ =
  38. 38.46³ =
  39. 39.89³ =
  40. 40.19³ =

Answer key

  1. 357911
  2. 778688
  3. 226981
  4. 13824
  5. 39304
  6. 46656
  7. 636056
  8. 753571
  9. 314432
  10. 804357
  11. 59319
  12. 132651
  13. 9261
  14. 1728
  15. 19683
  16. 85184
  17. 658503
  18. 804357
  19. 226981
  20. 185193
  21. 117649
  22. 357911
  23. 681472
  24. 6859
  25. 132651
  26. 592704
  27. 103823
  28. 10648
  29. 175616
  30. 59319
  31. 10648
  32. 132651
  33. 704969
  34. 531441
  35. 157464
  36. 681472
  37. 357911
  38. 97336
  39. 704969
  40. 6859

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