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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 384 · 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. 1.97³ =
  2. 2.82³ =
  3. 3.34³ =
  4. 4.65³ =
  5. 5.29³ =
  6. 6.81³ =
  7. 7.46³ =
  8. 8.34³ =
  9. 9.64³ =
  10. 10.66³ =
  11. 11.17³ =
  12. 12.39³ =
  13. 13.47³ =
  14. 14.44³ =
  15. 15.86³ =
  16. 16.24³ =
  17. 17.89³ =
  18. 18.65³ =
  19. 19.39³ =
  20. 20.15³ =
  21. 21.61³ =
  22. 22.37³ =
  23. 23.33³ =
  24. 24.24³ =
  25. 25.61³ =
  26. 26.89³ =
  27. 27.18³ =
  28. 28.81³ =
  29. 29.41³ =
  30. 30.34³ =
  31. 31.11³ =
  32. 32.24³ =
  33. 33.12³ =
  34. 34.61³ =
  35. 35.31³ =
  36. 36.89³ =
  37. 37.14³ =
  38. 38.43³ =
  39. 39.27³ =
  40. 40.46³ =

Answer key

  1. 912673
  2. 551368
  3. 39304
  4. 274625
  5. 24389
  6. 531441
  7. 97336
  8. 39304
  9. 262144
  10. 287496
  11. 4913
  12. 59319
  13. 103823
  14. 85184
  15. 636056
  16. 13824
  17. 704969
  18. 274625
  19. 59319
  20. 3375
  21. 226981
  22. 50653
  23. 35937
  24. 13824
  25. 226981
  26. 704969
  27. 5832
  28. 531441
  29. 68921
  30. 39304
  31. 1331
  32. 13824
  33. 1728
  34. 226981
  35. 29791
  36. 704969
  37. 2744
  38. 79507
  39. 19683
  40. 97336

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