← Cubes of 2-digit numbers lesson New set →

Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 678 · 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. 1.28³ =
  2. 2.36³ =
  3. 3.54³ =
  4. 4.84³ =
  5. 5.43³ =
  6. 6.36³ =
  7. 7.87³ =
  8. 8.36³ =
  9. 9.99³ =
  10. 10.46³ =
  11. 11.75³ =
  12. 12.52³ =
  13. 13.63³ =
  14. 14.79³ =
  15. 15.75³ =
  16. 16.16³ =
  17. 17.97³ =
  18. 18.33³ =
  19. 19.22³ =
  20. 20.32³ =
  21. 21.67³ =
  22. 22.64³ =
  23. 23.34³ =
  24. 24.86³ =
  25. 25.37³ =
  26. 26.87³ =
  27. 27.19³ =
  28. 28.13³ =
  29. 29.13³ =
  30. 30.15³ =
  31. 31.64³ =
  32. 32.28³ =
  33. 33.52³ =
  34. 34.74³ =
  35. 35.89³ =
  36. 36.38³ =
  37. 37.14³ =
  38. 38.99³ =
  39. 39.88³ =
  40. 40.38³ =

Answer key

  1. 21952
  2. 46656
  3. 157464
  4. 592704
  5. 79507
  6. 46656
  7. 658503
  8. 46656
  9. 970299
  10. 97336
  11. 421875
  12. 140608
  13. 250047
  14. 493039
  15. 421875
  16. 4096
  17. 912673
  18. 35937
  19. 10648
  20. 32768
  21. 300763
  22. 262144
  23. 39304
  24. 636056
  25. 50653
  26. 658503
  27. 6859
  28. 2197
  29. 2197
  30. 3375
  31. 262144
  32. 21952
  33. 140608
  34. 405224
  35. 704969
  36. 54872
  37. 2744
  38. 970299
  39. 681472
  40. 54872

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