← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 221 · 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. 1.25³ =
  2. 2.73³ =
  3. 3.91³ =
  4. 4.21³ =
  5. 5.55³ =
  6. 6.16³ =
  7. 7.43³ =
  8. 8.67³ =
  9. 9.17³ =
  10. 10.75³ =
  11. 11.12³ =
  12. 12.23³ =
  13. 13.51³ =
  14. 14.94³ =
  15. 15.46³ =
  16. 16.21³ =
  17. 17.97³ =
  18. 18.82³ =
  19. 19.38³ =
  20. 20.14³ =
  21. 21.61³ =
  22. 22.51³ =
  23. 23.84³ =
  24. 24.79³ =
  25. 25.44³ =
  26. 26.23³ =
  27. 27.41³ =
  28. 28.32³ =
  29. 29.49³ =
  30. 30.75³ =
  31. 31.92³ =
  32. 32.52³ =
  33. 33.91³ =
  34. 34.23³ =
  35. 35.11³ =
  36. 36.64³ =
  37. 37.77³ =
  38. 38.48³ =
  39. 39.25³ =
  40. 40.84³ =

Answer key

  1. 15625
  2. 389017
  3. 753571
  4. 9261
  5. 166375
  6. 4096
  7. 79507
  8. 300763
  9. 4913
  10. 421875
  11. 1728
  12. 12167
  13. 132651
  14. 830584
  15. 97336
  16. 9261
  17. 912673
  18. 551368
  19. 54872
  20. 2744
  21. 226981
  22. 132651
  23. 592704
  24. 493039
  25. 85184
  26. 12167
  27. 68921
  28. 32768
  29. 117649
  30. 421875
  31. 778688
  32. 140608
  33. 753571
  34. 12167
  35. 1331
  36. 262144
  37. 456533
  38. 110592
  39. 15625
  40. 592704

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