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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 356 · 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. 1.42³ =
  2. 2.57³ =
  3. 3.37³ =
  4. 4.89³ =
  5. 5.57³ =
  6. 6.39³ =
  7. 7.61³ =
  8. 8.58³ =
  9. 9.51³ =
  10. 10.21³ =
  11. 11.54³ =
  12. 12.91³ =
  13. 13.34³ =
  14. 14.68³ =
  15. 15.16³ =
  16. 16.55³ =
  17. 17.63³ =
  18. 18.37³ =
  19. 19.77³ =
  20. 20.24³ =
  21. 21.96³ =
  22. 22.61³ =
  23. 23.44³ =
  24. 24.77³ =
  25. 25.17³ =
  26. 26.76³ =
  27. 27.23³ =
  28. 28.65³ =
  29. 29.62³ =
  30. 30.46³ =
  31. 31.79³ =
  32. 32.96³ =
  33. 33.91³ =
  34. 34.94³ =
  35. 35.16³ =
  36. 36.36³ =
  37. 37.12³ =
  38. 38.71³ =
  39. 39.71³ =
  40. 40.31³ =

Answer key

  1. 74088
  2. 185193
  3. 50653
  4. 704969
  5. 185193
  6. 59319
  7. 226981
  8. 195112
  9. 132651
  10. 9261
  11. 157464
  12. 753571
  13. 39304
  14. 314432
  15. 4096
  16. 166375
  17. 250047
  18. 50653
  19. 456533
  20. 13824
  21. 884736
  22. 226981
  23. 85184
  24. 456533
  25. 4913
  26. 438976
  27. 12167
  28. 274625
  29. 238328
  30. 97336
  31. 493039
  32. 884736
  33. 753571
  34. 830584
  35. 4096
  36. 46656
  37. 1728
  38. 357911
  39. 357911
  40. 29791

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