← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 10 · 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. 1.78³ =
  2. 2.36³ =
  3. 3.43³ =
  4. 4.11³ =
  5. 5.27³ =
  6. 6.76³ =
  7. 7.97³ =
  8. 8.32³ =
  9. 9.61³ =
  10. 10.53³ =
  11. 11.73³ =
  12. 12.53³ =
  13. 13.74³ =
  14. 14.21³ =
  15. 15.61³ =
  16. 16.14³ =
  17. 17.31³ =
  18. 18.71³ =
  19. 19.82³ =
  20. 20.88³ =
  21. 21.83³ =
  22. 22.15³ =
  23. 23.43³ =
  24. 24.66³ =
  25. 25.23³ =
  26. 26.72³ =
  27. 27.85³ =
  28. 28.93³ =
  29. 29.71³ =
  30. 30.18³ =
  31. 31.82³ =
  32. 32.26³ =
  33. 33.52³ =
  34. 34.31³ =
  35. 35.61³ =
  36. 36.82³ =
  37. 37.48³ =
  38. 38.25³ =
  39. 39.32³ =
  40. 40.95³ =

Answer key

  1. 474552
  2. 46656
  3. 79507
  4. 1331
  5. 19683
  6. 438976
  7. 912673
  8. 32768
  9. 226981
  10. 148877
  11. 389017
  12. 148877
  13. 405224
  14. 9261
  15. 226981
  16. 2744
  17. 29791
  18. 357911
  19. 551368
  20. 681472
  21. 571787
  22. 3375
  23. 79507
  24. 287496
  25. 12167
  26. 373248
  27. 614125
  28. 804357
  29. 357911
  30. 5832
  31. 551368
  32. 17576
  33. 140608
  34. 29791
  35. 226981
  36. 551368
  37. 110592
  38. 15625
  39. 32768
  40. 857375

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