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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 548 · 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. 1.93³ =
  2. 2.36³ =
  3. 3.24³ =
  4. 4.61³ =
  5. 5.35³ =
  6. 6.16³ =
  7. 7.32³ =
  8. 8.96³ =
  9. 9.74³ =
  10. 10.68³ =
  11. 11.74³ =
  12. 12.62³ =
  13. 13.19³ =
  14. 14.18³ =
  15. 15.85³ =
  16. 16.39³ =
  17. 17.14³ =
  18. 18.19³ =
  19. 19.31³ =
  20. 20.48³ =
  21. 21.94³ =
  22. 22.25³ =
  23. 23.34³ =
  24. 24.81³ =
  25. 25.74³ =
  26. 26.53³ =
  27. 27.83³ =
  28. 28.99³ =
  29. 29.24³ =
  30. 30.39³ =
  31. 31.41³ =
  32. 32.61³ =
  33. 33.34³ =
  34. 34.87³ =
  35. 35.44³ =
  36. 36.71³ =
  37. 37.79³ =
  38. 38.35³ =
  39. 39.31³ =
  40. 40.35³ =

Answer key

  1. 804357
  2. 46656
  3. 13824
  4. 226981
  5. 42875
  6. 4096
  7. 32768
  8. 884736
  9. 405224
  10. 314432
  11. 405224
  12. 238328
  13. 6859
  14. 5832
  15. 614125
  16. 59319
  17. 2744
  18. 6859
  19. 29791
  20. 110592
  21. 830584
  22. 15625
  23. 39304
  24. 531441
  25. 405224
  26. 148877
  27. 571787
  28. 970299
  29. 13824
  30. 59319
  31. 68921
  32. 226981
  33. 39304
  34. 658503
  35. 85184
  36. 357911
  37. 493039
  38. 42875
  39. 29791
  40. 42875

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