← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 30 · 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. 1.45³ =
  2. 2.98³ =
  3. 3.18³ =
  4. 4.88³ =
  5. 5.98³ =
  6. 6.14³ =
  7. 7.47³ =
  8. 8.57³ =
  9. 9.55³ =
  10. 10.84³ =
  11. 11.77³ =
  12. 12.24³ =
  13. 13.79³ =
  14. 14.58³ =
  15. 15.63³ =
  16. 16.65³ =
  17. 17.91³ =
  18. 18.17³ =
  19. 19.21³ =
  20. 20.97³ =
  21. 21.25³ =
  22. 22.14³ =
  23. 23.49³ =
  24. 24.98³ =
  25. 25.46³ =
  26. 26.34³ =
  27. 27.71³ =
  28. 28.43³ =
  29. 29.81³ =
  30. 30.46³ =
  31. 31.32³ =
  32. 32.63³ =
  33. 33.41³ =
  34. 34.12³ =
  35. 35.41³ =
  36. 36.21³ =
  37. 37.66³ =
  38. 38.61³ =
  39. 39.27³ =
  40. 40.36³ =

Answer key

  1. 91125
  2. 941192
  3. 5832
  4. 681472
  5. 941192
  6. 2744
  7. 103823
  8. 185193
  9. 166375
  10. 592704
  11. 456533
  12. 13824
  13. 493039
  14. 195112
  15. 250047
  16. 274625
  17. 753571
  18. 4913
  19. 9261
  20. 912673
  21. 15625
  22. 2744
  23. 117649
  24. 941192
  25. 97336
  26. 39304
  27. 357911
  28. 79507
  29. 531441
  30. 97336
  31. 32768
  32. 250047
  33. 68921
  34. 1728
  35. 68921
  36. 9261
  37. 287496
  38. 226981
  39. 19683
  40. 46656

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