← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 990 · 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. 1.71³ =
  2. 2.69³ =
  3. 3.53³ =
  4. 4.14³ =
  5. 5.91³ =
  6. 6.31³ =
  7. 7.72³ =
  8. 8.38³ =
  9. 9.61³ =
  10. 10.25³ =
  11. 11.39³ =
  12. 12.86³ =
  13. 13.36³ =
  14. 14.44³ =
  15. 15.96³ =
  16. 16.95³ =
  17. 17.31³ =
  18. 18.42³ =
  19. 19.21³ =
  20. 20.33³ =
  21. 21.96³ =
  22. 22.47³ =
  23. 23.71³ =
  24. 24.23³ =
  25. 25.85³ =
  26. 26.81³ =
  27. 27.62³ =
  28. 28.94³ =
  29. 29.68³ =
  30. 30.55³ =
  31. 31.62³ =
  32. 32.24³ =
  33. 33.87³ =
  34. 34.31³ =
  35. 35.21³ =
  36. 36.34³ =
  37. 37.27³ =
  38. 38.81³ =
  39. 39.66³ =
  40. 40.61³ =

Answer key

  1. 357911
  2. 328509
  3. 148877
  4. 2744
  5. 753571
  6. 29791
  7. 373248
  8. 54872
  9. 226981
  10. 15625
  11. 59319
  12. 636056
  13. 46656
  14. 85184
  15. 884736
  16. 857375
  17. 29791
  18. 74088
  19. 9261
  20. 35937
  21. 884736
  22. 103823
  23. 357911
  24. 12167
  25. 614125
  26. 531441
  27. 238328
  28. 830584
  29. 314432
  30. 166375
  31. 238328
  32. 13824
  33. 658503
  34. 29791
  35. 9261
  36. 39304
  37. 19683
  38. 531441
  39. 287496
  40. 226981

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