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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 588 · 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. 1.27³ =
  2. 2.71³ =
  3. 3.39³ =
  4. 4.23³ =
  5. 5.58³ =
  6. 6.35³ =
  7. 7.36³ =
  8. 8.51³ =
  9. 9.46³ =
  10. 10.12³ =
  11. 11.12³ =
  12. 12.21³ =
  13. 13.79³ =
  14. 14.71³ =
  15. 15.73³ =
  16. 16.21³ =
  17. 17.54³ =
  18. 18.98³ =
  19. 19.68³ =
  20. 20.97³ =
  21. 21.73³ =
  22. 22.46³ =
  23. 23.88³ =
  24. 24.15³ =
  25. 25.38³ =
  26. 26.26³ =
  27. 27.69³ =
  28. 28.61³ =
  29. 29.43³ =
  30. 30.26³ =
  31. 31.41³ =
  32. 32.94³ =
  33. 33.52³ =
  34. 34.12³ =
  35. 35.41³ =
  36. 36.83³ =
  37. 37.97³ =
  38. 38.85³ =
  39. 39.81³ =
  40. 40.48³ =

Answer key

  1. 19683
  2. 357911
  3. 59319
  4. 12167
  5. 195112
  6. 42875
  7. 46656
  8. 132651
  9. 97336
  10. 1728
  11. 1728
  12. 9261
  13. 493039
  14. 357911
  15. 389017
  16. 9261
  17. 157464
  18. 941192
  19. 314432
  20. 912673
  21. 389017
  22. 97336
  23. 681472
  24. 3375
  25. 54872
  26. 17576
  27. 328509
  28. 226981
  29. 79507
  30. 17576
  31. 68921
  32. 830584
  33. 140608
  34. 1728
  35. 68921
  36. 571787
  37. 912673
  38. 614125
  39. 531441
  40. 110592

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