← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 81 · 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. 1.91³ =
  2. 2.79³ =
  3. 3.17³ =
  4. 4.65³ =
  5. 5.99³ =
  6. 6.11³ =
  7. 7.46³ =
  8. 8.28³ =
  9. 9.17³ =
  10. 10.43³ =
  11. 11.25³ =
  12. 12.74³ =
  13. 13.88³ =
  14. 14.22³ =
  15. 15.35³ =
  16. 16.55³ =
  17. 17.95³ =
  18. 18.24³ =
  19. 19.93³ =
  20. 20.29³ =
  21. 21.96³ =
  22. 22.51³ =
  23. 23.12³ =
  24. 24.44³ =
  25. 25.96³ =
  26. 26.23³ =
  27. 27.16³ =
  28. 28.33³ =
  29. 29.26³ =
  30. 30.15³ =
  31. 31.51³ =
  32. 32.28³ =
  33. 33.38³ =
  34. 34.82³ =
  35. 35.28³ =
  36. 36.83³ =
  37. 37.76³ =
  38. 38.23³ =
  39. 39.96³ =
  40. 40.23³ =

Answer key

  1. 753571
  2. 493039
  3. 4913
  4. 274625
  5. 970299
  6. 1331
  7. 97336
  8. 21952
  9. 4913
  10. 79507
  11. 15625
  12. 405224
  13. 681472
  14. 10648
  15. 42875
  16. 166375
  17. 857375
  18. 13824
  19. 804357
  20. 24389
  21. 884736
  22. 132651
  23. 1728
  24. 85184
  25. 884736
  26. 12167
  27. 4096
  28. 35937
  29. 17576
  30. 3375
  31. 132651
  32. 21952
  33. 54872
  34. 551368
  35. 21952
  36. 571787
  37. 438976
  38. 12167
  39. 884736
  40. 12167

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