← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 388 · 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. 1.96³ =
  2. 2.97³ =
  3. 3.28³ =
  4. 4.93³ =
  5. 5.62³ =
  6. 6.85³ =
  7. 7.23³ =
  8. 8.34³ =
  9. 9.77³ =
  10. 10.34³ =
  11. 11.32³ =
  12. 12.71³ =
  13. 13.65³ =
  14. 14.35³ =
  15. 15.41³ =
  16. 16.14³ =
  17. 17.88³ =
  18. 18.24³ =
  19. 19.17³ =
  20. 20.22³ =
  21. 21.71³ =
  22. 22.21³ =
  23. 23.45³ =
  24. 24.81³ =
  25. 25.56³ =
  26. 26.71³ =
  27. 27.12³ =
  28. 28.41³ =
  29. 29.85³ =
  30. 30.55³ =
  31. 31.98³ =
  32. 32.85³ =
  33. 33.53³ =
  34. 34.64³ =
  35. 35.27³ =
  36. 36.45³ =
  37. 37.89³ =
  38. 38.31³ =
  39. 39.44³ =
  40. 40.64³ =

Answer key

  1. 884736
  2. 912673
  3. 21952
  4. 804357
  5. 238328
  6. 614125
  7. 12167
  8. 39304
  9. 456533
  10. 39304
  11. 32768
  12. 357911
  13. 274625
  14. 42875
  15. 68921
  16. 2744
  17. 681472
  18. 13824
  19. 4913
  20. 10648
  21. 357911
  22. 9261
  23. 91125
  24. 531441
  25. 175616
  26. 357911
  27. 1728
  28. 68921
  29. 614125
  30. 166375
  31. 941192
  32. 614125
  33. 148877
  34. 262144
  35. 19683
  36. 91125
  37. 704969
  38. 29791
  39. 85184
  40. 262144

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths