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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 337 · 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. 1.65³ =
  2. 2.31³ =
  3. 3.47³ =
  4. 4.34³ =
  5. 5.18³ =
  6. 6.71³ =
  7. 7.68³ =
  8. 8.12³ =
  9. 9.66³ =
  10. 10.99³ =
  11. 11.78³ =
  12. 12.23³ =
  13. 13.21³ =
  14. 14.47³ =
  15. 15.33³ =
  16. 16.85³ =
  17. 17.71³ =
  18. 18.95³ =
  19. 19.15³ =
  20. 20.92³ =
  21. 21.66³ =
  22. 22.51³ =
  23. 23.73³ =
  24. 24.91³ =
  25. 25.59³ =
  26. 26.54³ =
  27. 27.42³ =
  28. 28.21³ =
  29. 29.46³ =
  30. 30.59³ =
  31. 31.51³ =
  32. 32.97³ =
  33. 33.47³ =
  34. 34.61³ =
  35. 35.34³ =
  36. 36.53³ =
  37. 37.75³ =
  38. 38.81³ =
  39. 39.54³ =
  40. 40.91³ =

Answer key

  1. 274625
  2. 29791
  3. 103823
  4. 39304
  5. 5832
  6. 357911
  7. 314432
  8. 1728
  9. 287496
  10. 970299
  11. 474552
  12. 12167
  13. 9261
  14. 103823
  15. 35937
  16. 614125
  17. 357911
  18. 857375
  19. 3375
  20. 778688
  21. 287496
  22. 132651
  23. 389017
  24. 753571
  25. 205379
  26. 157464
  27. 74088
  28. 9261
  29. 97336
  30. 205379
  31. 132651
  32. 912673
  33. 103823
  34. 226981
  35. 39304
  36. 148877
  37. 421875
  38. 531441
  39. 157464
  40. 753571

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