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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 31 · 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. 1.36³ =
  2. 2.16³ =
  3. 3.81³ =
  4. 4.83³ =
  5. 5.79³ =
  6. 6.45³ =
  7. 7.36³ =
  8. 8.31³ =
  9. 9.51³ =
  10. 10.52³ =
  11. 11.59³ =
  12. 12.24³ =
  13. 13.69³ =
  14. 14.12³ =
  15. 15.34³ =
  16. 16.95³ =
  17. 17.53³ =
  18. 18.34³ =
  19. 19.38³ =
  20. 20.47³ =
  21. 21.61³ =
  22. 22.39³ =
  23. 23.24³ =
  24. 24.22³ =
  25. 25.71³ =
  26. 26.35³ =
  27. 27.15³ =
  28. 28.68³ =
  29. 29.65³ =
  30. 30.24³ =
  31. 31.86³ =
  32. 32.27³ =
  33. 33.47³ =
  34. 34.13³ =
  35. 35.81³ =
  36. 36.26³ =
  37. 37.48³ =
  38. 38.12³ =
  39. 39.43³ =
  40. 40.39³ =

Answer key

  1. 46656
  2. 4096
  3. 531441
  4. 571787
  5. 493039
  6. 91125
  7. 46656
  8. 29791
  9. 132651
  10. 140608
  11. 205379
  12. 13824
  13. 328509
  14. 1728
  15. 39304
  16. 857375
  17. 148877
  18. 39304
  19. 54872
  20. 103823
  21. 226981
  22. 59319
  23. 13824
  24. 10648
  25. 357911
  26. 42875
  27. 3375
  28. 314432
  29. 274625
  30. 13824
  31. 636056
  32. 19683
  33. 103823
  34. 2197
  35. 531441
  36. 17576
  37. 110592
  38. 1728
  39. 79507
  40. 59319

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