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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 941 · 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. 1.91³ =
  2. 2.51³ =
  3. 3.15³ =
  4. 4.36³ =
  5. 5.89³ =
  6. 6.61³ =
  7. 7.77³ =
  8. 8.11³ =
  9. 9.23³ =
  10. 10.56³ =
  11. 11.93³ =
  12. 12.69³ =
  13. 13.86³ =
  14. 14.97³ =
  15. 15.68³ =
  16. 16.45³ =
  17. 17.21³ =
  18. 18.39³ =
  19. 19.36³ =
  20. 20.25³ =
  21. 21.48³ =
  22. 22.19³ =
  23. 23.82³ =
  24. 24.51³ =
  25. 25.32³ =
  26. 26.12³ =
  27. 27.46³ =
  28. 28.47³ =
  29. 29.61³ =
  30. 30.43³ =
  31. 31.56³ =
  32. 32.84³ =
  33. 33.48³ =
  34. 34.31³ =
  35. 35.41³ =
  36. 36.97³ =
  37. 37.75³ =
  38. 38.33³ =
  39. 39.17³ =
  40. 40.71³ =

Answer key

  1. 753571
  2. 132651
  3. 3375
  4. 46656
  5. 704969
  6. 226981
  7. 456533
  8. 1331
  9. 12167
  10. 175616
  11. 804357
  12. 328509
  13. 636056
  14. 912673
  15. 314432
  16. 91125
  17. 9261
  18. 59319
  19. 46656
  20. 15625
  21. 110592
  22. 6859
  23. 551368
  24. 132651
  25. 32768
  26. 1728
  27. 97336
  28. 103823
  29. 226981
  30. 79507
  31. 175616
  32. 592704
  33. 110592
  34. 29791
  35. 68921
  36. 912673
  37. 421875
  38. 35937
  39. 4913
  40. 357911

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