← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 500 · 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. 1.65³ =
  2. 2.26³ =
  3. 3.64³ =
  4. 4.34³ =
  5. 5.74³ =
  6. 6.66³ =
  7. 7.75³ =
  8. 8.75³ =
  9. 9.78³ =
  10. 10.38³ =
  11. 11.55³ =
  12. 12.93³ =
  13. 13.51³ =
  14. 14.38³ =
  15. 15.15³ =
  16. 16.83³ =
  17. 17.91³ =
  18. 18.66³ =
  19. 19.81³ =
  20. 20.12³ =
  21. 21.62³ =
  22. 22.49³ =
  23. 23.31³ =
  24. 24.73³ =
  25. 25.32³ =
  26. 26.87³ =
  27. 27.61³ =
  28. 28.44³ =
  29. 29.88³ =
  30. 30.24³ =
  31. 31.42³ =
  32. 32.85³ =
  33. 33.23³ =
  34. 34.53³ =
  35. 35.73³ =
  36. 36.85³ =
  37. 37.28³ =
  38. 38.31³ =
  39. 39.51³ =
  40. 40.39³ =

Answer key

  1. 274625
  2. 17576
  3. 262144
  4. 39304
  5. 405224
  6. 287496
  7. 421875
  8. 421875
  9. 474552
  10. 54872
  11. 166375
  12. 804357
  13. 132651
  14. 54872
  15. 3375
  16. 571787
  17. 753571
  18. 287496
  19. 531441
  20. 1728
  21. 238328
  22. 117649
  23. 29791
  24. 389017
  25. 32768
  26. 658503
  27. 226981
  28. 85184
  29. 681472
  30. 13824
  31. 74088
  32. 614125
  33. 12167
  34. 148877
  35. 389017
  36. 614125
  37. 21952
  38. 29791
  39. 132651
  40. 59319

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