← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 290 · 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. 1.34³ =
  2. 2.38³ =
  3. 3.39³ =
  4. 4.81³ =
  5. 5.59³ =
  6. 6.47³ =
  7. 7.61³ =
  8. 8.43³ =
  9. 9.36³ =
  10. 10.82³ =
  11. 11.89³ =
  12. 12.75³ =
  13. 13.16³ =
  14. 14.35³ =
  15. 15.59³ =
  16. 16.54³ =
  17. 17.55³ =
  18. 18.78³ =
  19. 19.85³ =
  20. 20.47³ =
  21. 21.71³ =
  22. 22.35³ =
  23. 23.21³ =
  24. 24.91³ =
  25. 25.46³ =
  26. 26.95³ =
  27. 27.12³ =
  28. 28.56³ =
  29. 29.62³ =
  30. 30.67³ =
  31. 31.59³ =
  32. 32.21³ =
  33. 33.76³ =
  34. 34.49³ =
  35. 35.62³ =
  36. 36.88³ =
  37. 37.82³ =
  38. 38.66³ =
  39. 39.37³ =
  40. 40.27³ =

Answer key

  1. 39304
  2. 54872
  3. 59319
  4. 531441
  5. 205379
  6. 103823
  7. 226981
  8. 79507
  9. 46656
  10. 551368
  11. 704969
  12. 421875
  13. 4096
  14. 42875
  15. 205379
  16. 157464
  17. 166375
  18. 474552
  19. 614125
  20. 103823
  21. 357911
  22. 42875
  23. 9261
  24. 753571
  25. 97336
  26. 857375
  27. 1728
  28. 175616
  29. 238328
  30. 300763
  31. 205379
  32. 9261
  33. 438976
  34. 117649
  35. 238328
  36. 681472
  37. 551368
  38. 287496
  39. 50653
  40. 19683

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