← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 99 · 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. 1.68³ =
  2. 2.44³ =
  3. 3.52³ =
  4. 4.36³ =
  5. 5.38³ =
  6. 6.13³ =
  7. 7.71³ =
  8. 8.61³ =
  9. 9.88³ =
  10. 10.42³ =
  11. 11.45³ =
  12. 12.14³ =
  13. 13.39³ =
  14. 14.98³ =
  15. 15.15³ =
  16. 16.31³ =
  17. 17.31³ =
  18. 18.83³ =
  19. 19.49³ =
  20. 20.67³ =
  21. 21.91³ =
  22. 22.45³ =
  23. 23.43³ =
  24. 24.97³ =
  25. 25.25³ =
  26. 26.48³ =
  27. 27.11³ =
  28. 28.81³ =
  29. 29.89³ =
  30. 30.37³ =
  31. 31.61³ =
  32. 32.13³ =
  33. 33.41³ =
  34. 34.31³ =
  35. 35.83³ =
  36. 36.92³ =
  37. 37.13³ =
  38. 38.78³ =
  39. 39.25³ =
  40. 40.57³ =

Answer key

  1. 314432
  2. 85184
  3. 140608
  4. 46656
  5. 54872
  6. 2197
  7. 357911
  8. 226981
  9. 681472
  10. 74088
  11. 91125
  12. 2744
  13. 59319
  14. 941192
  15. 3375
  16. 29791
  17. 29791
  18. 571787
  19. 117649
  20. 300763
  21. 753571
  22. 91125
  23. 79507
  24. 912673
  25. 15625
  26. 110592
  27. 1331
  28. 531441
  29. 704969
  30. 50653
  31. 226981
  32. 2197
  33. 68921
  34. 29791
  35. 571787
  36. 778688
  37. 2197
  38. 474552
  39. 15625
  40. 185193

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