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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 335 · 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. 1.85³ =
  2. 2.35³ =
  3. 3.41³ =
  4. 4.48³ =
  5. 5.56³ =
  6. 6.49³ =
  7. 7.84³ =
  8. 8.42³ =
  9. 9.68³ =
  10. 10.31³ =
  11. 11.75³ =
  12. 12.21³ =
  13. 13.12³ =
  14. 14.47³ =
  15. 15.34³ =
  16. 16.37³ =
  17. 17.22³ =
  18. 18.23³ =
  19. 19.55³ =
  20. 20.51³ =
  21. 21.54³ =
  22. 22.61³ =
  23. 23.89³ =
  24. 24.39³ =
  25. 25.57³ =
  26. 26.61³ =
  27. 27.84³ =
  28. 28.12³ =
  29. 29.97³ =
  30. 30.85³ =
  31. 31.46³ =
  32. 32.71³ =
  33. 33.41³ =
  34. 34.45³ =
  35. 35.58³ =
  36. 36.65³ =
  37. 37.16³ =
  38. 38.57³ =
  39. 39.98³ =
  40. 40.68³ =

Answer key

  1. 614125
  2. 42875
  3. 68921
  4. 110592
  5. 175616
  6. 117649
  7. 592704
  8. 74088
  9. 314432
  10. 29791
  11. 421875
  12. 9261
  13. 1728
  14. 103823
  15. 39304
  16. 50653
  17. 10648
  18. 12167
  19. 166375
  20. 132651
  21. 157464
  22. 226981
  23. 704969
  24. 59319
  25. 185193
  26. 226981
  27. 592704
  28. 1728
  29. 912673
  30. 614125
  31. 97336
  32. 357911
  33. 68921
  34. 91125
  35. 195112
  36. 274625
  37. 4096
  38. 185193
  39. 941192
  40. 314432

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