← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 91 · 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. 1.21³ =
  2. 2.61³ =
  3. 3.88³ =
  4. 4.96³ =
  5. 5.12³ =
  6. 6.34³ =
  7. 7.26³ =
  8. 8.12³ =
  9. 9.16³ =
  10. 10.21³ =
  11. 11.73³ =
  12. 12.66³ =
  13. 13.28³ =
  14. 14.73³ =
  15. 15.18³ =
  16. 16.19³ =
  17. 17.66³ =
  18. 18.18³ =
  19. 19.12³ =
  20. 20.42³ =
  21. 21.58³ =
  22. 22.91³ =
  23. 23.12³ =
  24. 24.97³ =
  25. 25.94³ =
  26. 26.21³ =
  27. 27.95³ =
  28. 28.21³ =
  29. 29.25³ =
  30. 30.31³ =
  31. 31.44³ =
  32. 32.53³ =
  33. 33.63³ =
  34. 34.47³ =
  35. 35.81³ =
  36. 36.55³ =
  37. 37.41³ =
  38. 38.13³ =
  39. 39.63³ =
  40. 40.82³ =

Answer key

  1. 9261
  2. 226981
  3. 681472
  4. 884736
  5. 1728
  6. 39304
  7. 17576
  8. 1728
  9. 4096
  10. 9261
  11. 389017
  12. 287496
  13. 21952
  14. 389017
  15. 5832
  16. 6859
  17. 287496
  18. 5832
  19. 1728
  20. 74088
  21. 195112
  22. 753571
  23. 1728
  24. 912673
  25. 830584
  26. 9261
  27. 857375
  28. 9261
  29. 15625
  30. 29791
  31. 85184
  32. 148877
  33. 250047
  34. 103823
  35. 531441
  36. 166375
  37. 68921
  38. 2197
  39. 250047
  40. 551368

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