← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 188 · 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. 1.41³ =
  2. 2.84³ =
  3. 3.27³ =
  4. 4.74³ =
  5. 5.66³ =
  6. 6.62³ =
  7. 7.21³ =
  8. 8.62³ =
  9. 9.95³ =
  10. 10.73³ =
  11. 11.95³ =
  12. 12.47³ =
  13. 13.39³ =
  14. 14.56³ =
  15. 15.28³ =
  16. 16.31³ =
  17. 17.78³ =
  18. 18.16³ =
  19. 19.81³ =
  20. 20.26³ =
  21. 21.23³ =
  22. 22.34³ =
  23. 23.92³ =
  24. 24.66³ =
  25. 25.16³ =
  26. 26.75³ =
  27. 27.38³ =
  28. 28.21³ =
  29. 29.57³ =
  30. 30.31³ =
  31. 31.75³ =
  32. 32.43³ =
  33. 33.61³ =
  34. 34.96³ =
  35. 35.11³ =
  36. 36.66³ =
  37. 37.64³ =
  38. 38.13³ =
  39. 39.57³ =
  40. 40.37³ =

Answer key

  1. 68921
  2. 592704
  3. 19683
  4. 405224
  5. 287496
  6. 238328
  7. 9261
  8. 238328
  9. 857375
  10. 389017
  11. 857375
  12. 103823
  13. 59319
  14. 175616
  15. 21952
  16. 29791
  17. 474552
  18. 4096
  19. 531441
  20. 17576
  21. 12167
  22. 39304
  23. 778688
  24. 287496
  25. 4096
  26. 421875
  27. 54872
  28. 9261
  29. 185193
  30. 29791
  31. 421875
  32. 79507
  33. 226981
  34. 884736
  35. 1331
  36. 287496
  37. 262144
  38. 2197
  39. 185193
  40. 50653

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