← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 931 · 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. 1.61³ =
  2. 2.85³ =
  3. 3.22³ =
  4. 4.35³ =
  5. 5.52³ =
  6. 6.65³ =
  7. 7.16³ =
  8. 8.23³ =
  9. 9.49³ =
  10. 10.52³ =
  11. 11.78³ =
  12. 12.75³ =
  13. 13.88³ =
  14. 14.25³ =
  15. 15.27³ =
  16. 16.64³ =
  17. 17.46³ =
  18. 18.49³ =
  19. 19.26³ =
  20. 20.91³ =
  21. 21.61³ =
  22. 22.78³ =
  23. 23.14³ =
  24. 24.12³ =
  25. 25.42³ =
  26. 26.52³ =
  27. 27.31³ =
  28. 28.71³ =
  29. 29.13³ =
  30. 30.74³ =
  31. 31.67³ =
  32. 32.72³ =
  33. 33.84³ =
  34. 34.56³ =
  35. 35.48³ =
  36. 36.62³ =
  37. 37.55³ =
  38. 38.37³ =
  39. 39.71³ =
  40. 40.47³ =

Answer key

  1. 226981
  2. 614125
  3. 10648
  4. 42875
  5. 140608
  6. 274625
  7. 4096
  8. 12167
  9. 117649
  10. 140608
  11. 474552
  12. 421875
  13. 681472
  14. 15625
  15. 19683
  16. 262144
  17. 97336
  18. 117649
  19. 17576
  20. 753571
  21. 226981
  22. 474552
  23. 2744
  24. 1728
  25. 74088
  26. 140608
  27. 29791
  28. 357911
  29. 2197
  30. 405224
  31. 300763
  32. 373248
  33. 592704
  34. 175616
  35. 110592
  36. 238328
  37. 166375
  38. 50653
  39. 357911
  40. 103823

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