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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 618 · 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. 1.83³ =
  2. 2.93³ =
  3. 3.53³ =
  4. 4.21³ =
  5. 5.34³ =
  6. 6.93³ =
  7. 7.27³ =
  8. 8.51³ =
  9. 9.87³ =
  10. 10.62³ =
  11. 11.46³ =
  12. 12.75³ =
  13. 13.53³ =
  14. 14.46³ =
  15. 15.78³ =
  16. 16.96³ =
  17. 17.21³ =
  18. 18.39³ =
  19. 19.73³ =
  20. 20.24³ =
  21. 21.73³ =
  22. 22.11³ =
  23. 23.16³ =
  24. 24.34³ =
  25. 25.71³ =
  26. 26.26³ =
  27. 27.97³ =
  28. 28.31³ =
  29. 29.52³ =
  30. 30.24³ =
  31. 31.36³ =
  32. 32.44³ =
  33. 33.76³ =
  34. 34.22³ =
  35. 35.56³ =
  36. 36.34³ =
  37. 37.15³ =
  38. 38.66³ =
  39. 39.22³ =
  40. 40.38³ =

Answer key

  1. 571787
  2. 804357
  3. 148877
  4. 9261
  5. 39304
  6. 804357
  7. 19683
  8. 132651
  9. 658503
  10. 238328
  11. 97336
  12. 421875
  13. 148877
  14. 97336
  15. 474552
  16. 884736
  17. 9261
  18. 59319
  19. 389017
  20. 13824
  21. 389017
  22. 1331
  23. 4096
  24. 39304
  25. 357911
  26. 17576
  27. 912673
  28. 29791
  29. 140608
  30. 13824
  31. 46656
  32. 85184
  33. 438976
  34. 10648
  35. 175616
  36. 39304
  37. 3375
  38. 287496
  39. 10648
  40. 54872

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