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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 468 · 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. 1.71³ =
  2. 2.56³ =
  3. 3.93³ =
  4. 4.81³ =
  5. 5.98³ =
  6. 6.58³ =
  7. 7.74³ =
  8. 8.46³ =
  9. 9.18³ =
  10. 10.31³ =
  11. 11.41³ =
  12. 12.26³ =
  13. 13.81³ =
  14. 14.21³ =
  15. 15.37³ =
  16. 16.22³ =
  17. 17.18³ =
  18. 18.46³ =
  19. 19.39³ =
  20. 20.34³ =
  21. 21.77³ =
  22. 22.73³ =
  23. 23.31³ =
  24. 24.99³ =
  25. 25.16³ =
  26. 26.67³ =
  27. 27.12³ =
  28. 28.53³ =
  29. 29.12³ =
  30. 30.68³ =
  31. 31.92³ =
  32. 32.24³ =
  33. 33.86³ =
  34. 34.24³ =
  35. 35.31³ =
  36. 36.85³ =
  37. 37.75³ =
  38. 38.81³ =
  39. 39.71³ =
  40. 40.23³ =

Answer key

  1. 357911
  2. 175616
  3. 804357
  4. 531441
  5. 941192
  6. 195112
  7. 405224
  8. 97336
  9. 5832
  10. 29791
  11. 68921
  12. 17576
  13. 531441
  14. 9261
  15. 50653
  16. 10648
  17. 5832
  18. 97336
  19. 59319
  20. 39304
  21. 456533
  22. 389017
  23. 29791
  24. 970299
  25. 4096
  26. 300763
  27. 1728
  28. 148877
  29. 1728
  30. 314432
  31. 778688
  32. 13824
  33. 636056
  34. 13824
  35. 29791
  36. 614125
  37. 421875
  38. 531441
  39. 357911
  40. 12167

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