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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 582 · 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. 1.11³ =
  2. 2.88³ =
  3. 3.16³ =
  4. 4.13³ =
  5. 5.48³ =
  6. 6.67³ =
  7. 7.56³ =
  8. 8.75³ =
  9. 9.46³ =
  10. 10.93³ =
  11. 11.23³ =
  12. 12.34³ =
  13. 13.62³ =
  14. 14.86³ =
  15. 15.81³ =
  16. 16.91³ =
  17. 17.35³ =
  18. 18.97³ =
  19. 19.88³ =
  20. 20.37³ =
  21. 21.31³ =
  22. 22.98³ =
  23. 23.71³ =
  24. 24.66³ =
  25. 25.97³ =
  26. 26.43³ =
  27. 27.85³ =
  28. 28.12³ =
  29. 29.52³ =
  30. 30.65³ =
  31. 31.68³ =
  32. 32.31³ =
  33. 33.69³ =
  34. 34.22³ =
  35. 35.78³ =
  36. 36.84³ =
  37. 37.34³ =
  38. 38.11³ =
  39. 39.17³ =
  40. 40.71³ =

Answer key

  1. 1331
  2. 681472
  3. 4096
  4. 2197
  5. 110592
  6. 300763
  7. 175616
  8. 421875
  9. 97336
  10. 804357
  11. 12167
  12. 39304
  13. 238328
  14. 636056
  15. 531441
  16. 753571
  17. 42875
  18. 912673
  19. 681472
  20. 50653
  21. 29791
  22. 941192
  23. 357911
  24. 287496
  25. 912673
  26. 79507
  27. 614125
  28. 1728
  29. 140608
  30. 274625
  31. 314432
  32. 29791
  33. 328509
  34. 10648
  35. 474552
  36. 592704
  37. 39304
  38. 1331
  39. 4913
  40. 357911

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