← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 146 · 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. 1.83³ =
  2. 2.12³ =
  3. 3.53³ =
  4. 4.21³ =
  5. 5.84³ =
  6. 6.29³ =
  7. 7.31³ =
  8. 8.18³ =
  9. 9.49³ =
  10. 10.27³ =
  11. 11.89³ =
  12. 12.16³ =
  13. 13.37³ =
  14. 14.67³ =
  15. 15.31³ =
  16. 16.16³ =
  17. 17.47³ =
  18. 18.91³ =
  19. 19.76³ =
  20. 20.24³ =
  21. 21.13³ =
  22. 22.89³ =
  23. 23.88³ =
  24. 24.22³ =
  25. 25.19³ =
  26. 26.91³ =
  27. 27.51³ =
  28. 28.46³ =
  29. 29.76³ =
  30. 30.22³ =
  31. 31.86³ =
  32. 32.46³ =
  33. 33.66³ =
  34. 34.77³ =
  35. 35.98³ =
  36. 36.84³ =
  37. 37.51³ =
  38. 38.66³ =
  39. 39.79³ =
  40. 40.73³ =

Answer key

  1. 571787
  2. 1728
  3. 148877
  4. 9261
  5. 592704
  6. 24389
  7. 29791
  8. 5832
  9. 117649
  10. 19683
  11. 704969
  12. 4096
  13. 50653
  14. 300763
  15. 29791
  16. 4096
  17. 103823
  18. 753571
  19. 438976
  20. 13824
  21. 2197
  22. 704969
  23. 681472
  24. 10648
  25. 6859
  26. 753571
  27. 132651
  28. 97336
  29. 438976
  30. 10648
  31. 636056
  32. 97336
  33. 287496
  34. 456533
  35. 941192
  36. 592704
  37. 132651
  38. 287496
  39. 493039
  40. 389017

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