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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 220 · 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. 1.24³ =
  2. 2.85³ =
  3. 3.14³ =
  4. 4.84³ =
  5. 5.62³ =
  6. 6.22³ =
  7. 7.48³ =
  8. 8.83³ =
  9. 9.48³ =
  10. 10.21³ =
  11. 11.39³ =
  12. 12.12³ =
  13. 13.24³ =
  14. 14.21³ =
  15. 15.31³ =
  16. 16.48³ =
  17. 17.14³ =
  18. 18.68³ =
  19. 19.93³ =
  20. 20.11³ =
  21. 21.21³ =
  22. 22.18³ =
  23. 23.52³ =
  24. 24.38³ =
  25. 25.39³ =
  26. 26.56³ =
  27. 27.74³ =
  28. 28.32³ =
  29. 29.34³ =
  30. 30.81³ =
  31. 31.19³ =
  32. 32.35³ =
  33. 33.38³ =
  34. 34.92³ =
  35. 35.61³ =
  36. 36.13³ =
  37. 37.86³ =
  38. 38.13³ =
  39. 39.29³ =
  40. 40.23³ =

Answer key

  1. 13824
  2. 614125
  3. 2744
  4. 592704
  5. 238328
  6. 10648
  7. 110592
  8. 571787
  9. 110592
  10. 9261
  11. 59319
  12. 1728
  13. 13824
  14. 9261
  15. 29791
  16. 110592
  17. 2744
  18. 314432
  19. 804357
  20. 1331
  21. 9261
  22. 5832
  23. 140608
  24. 54872
  25. 59319
  26. 175616
  27. 405224
  28. 32768
  29. 39304
  30. 531441
  31. 6859
  32. 42875
  33. 54872
  34. 778688
  35. 226981
  36. 2197
  37. 636056
  38. 2197
  39. 24389
  40. 12167

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