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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 937 · 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. 1.54³ =
  2. 2.78³ =
  3. 3.52³ =
  4. 4.93³ =
  5. 5.66³ =
  6. 6.21³ =
  7. 7.13³ =
  8. 8.48³ =
  9. 9.39³ =
  10. 10.86³ =
  11. 11.13³ =
  12. 12.83³ =
  13. 13.85³ =
  14. 14.71³ =
  15. 15.54³ =
  16. 16.23³ =
  17. 17.62³ =
  18. 18.82³ =
  19. 19.27³ =
  20. 20.89³ =
  21. 21.68³ =
  22. 22.37³ =
  23. 23.81³ =
  24. 24.37³ =
  25. 25.55³ =
  26. 26.91³ =
  27. 27.58³ =
  28. 28.79³ =
  29. 29.93³ =
  30. 30.46³ =
  31. 31.42³ =
  32. 32.71³ =
  33. 33.61³ =
  34. 34.24³ =
  35. 35.18³ =
  36. 36.53³ =
  37. 37.37³ =
  38. 38.59³ =
  39. 39.21³ =
  40. 40.69³ =

Answer key

  1. 157464
  2. 474552
  3. 140608
  4. 804357
  5. 287496
  6. 9261
  7. 2197
  8. 110592
  9. 59319
  10. 636056
  11. 2197
  12. 571787
  13. 614125
  14. 357911
  15. 157464
  16. 12167
  17. 238328
  18. 551368
  19. 19683
  20. 704969
  21. 314432
  22. 50653
  23. 531441
  24. 50653
  25. 166375
  26. 753571
  27. 195112
  28. 493039
  29. 804357
  30. 97336
  31. 74088
  32. 357911
  33. 226981
  34. 13824
  35. 5832
  36. 148877
  37. 50653
  38. 205379
  39. 9261
  40. 328509

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