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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 959 · 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. 1.51³ =
  2. 2.89³ =
  3. 3.79³ =
  4. 4.21³ =
  5. 5.69³ =
  6. 6.16³ =
  7. 7.51³ =
  8. 8.21³ =
  9. 9.44³ =
  10. 10.83³ =
  11. 11.37³ =
  12. 12.97³ =
  13. 13.43³ =
  14. 14.27³ =
  15. 15.16³ =
  16. 16.14³ =
  17. 17.78³ =
  18. 18.81³ =
  19. 19.93³ =
  20. 20.71³ =
  21. 21.28³ =
  22. 22.54³ =
  23. 23.78³ =
  24. 24.28³ =
  25. 25.41³ =
  26. 26.49³ =
  27. 27.96³ =
  28. 28.57³ =
  29. 29.21³ =
  30. 30.54³ =
  31. 31.87³ =
  32. 32.72³ =
  33. 33.12³ =
  34. 34.78³ =
  35. 35.85³ =
  36. 36.34³ =
  37. 37.86³ =
  38. 38.21³ =
  39. 39.11³ =
  40. 40.23³ =

Answer key

  1. 132651
  2. 704969
  3. 493039
  4. 9261
  5. 328509
  6. 4096
  7. 132651
  8. 9261
  9. 85184
  10. 571787
  11. 50653
  12. 912673
  13. 79507
  14. 19683
  15. 4096
  16. 2744
  17. 474552
  18. 531441
  19. 804357
  20. 357911
  21. 21952
  22. 157464
  23. 474552
  24. 21952
  25. 68921
  26. 117649
  27. 884736
  28. 185193
  29. 9261
  30. 157464
  31. 658503
  32. 373248
  33. 1728
  34. 474552
  35. 614125
  36. 39304
  37. 636056
  38. 9261
  39. 1331
  40. 12167

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