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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 842 · 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. 1.53³ =
  2. 2.15³ =
  3. 3.79³ =
  4. 4.44³ =
  5. 5.71³ =
  6. 6.24³ =
  7. 7.85³ =
  8. 8.31³ =
  9. 9.75³ =
  10. 10.79³ =
  11. 11.81³ =
  12. 12.67³ =
  13. 13.97³ =
  14. 14.23³ =
  15. 15.51³ =
  16. 16.12³ =
  17. 17.84³ =
  18. 18.71³ =
  19. 19.92³ =
  20. 20.27³ =
  21. 21.11³ =
  22. 22.56³ =
  23. 23.49³ =
  24. 24.31³ =
  25. 25.91³ =
  26. 26.38³ =
  27. 27.55³ =
  28. 28.55³ =
  29. 29.87³ =
  30. 30.39³ =
  31. 31.14³ =
  32. 32.81³ =
  33. 33.43³ =
  34. 34.35³ =
  35. 35.13³ =
  36. 36.76³ =
  37. 37.89³ =
  38. 38.31³ =
  39. 39.66³ =
  40. 40.73³ =

Answer key

  1. 148877
  2. 3375
  3. 493039
  4. 85184
  5. 357911
  6. 13824
  7. 614125
  8. 29791
  9. 421875
  10. 493039
  11. 531441
  12. 300763
  13. 912673
  14. 12167
  15. 132651
  16. 1728
  17. 592704
  18. 357911
  19. 778688
  20. 19683
  21. 1331
  22. 175616
  23. 117649
  24. 29791
  25. 753571
  26. 54872
  27. 166375
  28. 166375
  29. 658503
  30. 59319
  31. 2744
  32. 531441
  33. 79507
  34. 42875
  35. 2197
  36. 438976
  37. 704969
  38. 29791
  39. 287496
  40. 389017

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