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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 958 · 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. 1.64³ =
  2. 2.89³ =
  3. 3.23³ =
  4. 4.59³ =
  5. 5.21³ =
  6. 6.61³ =
  7. 7.49³ =
  8. 8.34³ =
  9. 9.86³ =
  10. 10.19³ =
  11. 11.21³ =
  12. 12.62³ =
  13. 13.71³ =
  14. 14.98³ =
  15. 15.63³ =
  16. 16.91³ =
  17. 17.14³ =
  18. 18.85³ =
  19. 19.55³ =
  20. 20.65³ =
  21. 21.31³ =
  22. 22.16³ =
  23. 23.57³ =
  24. 24.69³ =
  25. 25.19³ =
  26. 26.96³ =
  27. 27.89³ =
  28. 28.33³ =
  29. 29.79³ =
  30. 30.27³ =
  31. 31.55³ =
  32. 32.46³ =
  33. 33.27³ =
  34. 34.31³ =
  35. 35.23³ =
  36. 36.49³ =
  37. 37.32³ =
  38. 38.57³ =
  39. 39.94³ =
  40. 40.54³ =

Answer key

  1. 262144
  2. 704969
  3. 12167
  4. 205379
  5. 9261
  6. 226981
  7. 117649
  8. 39304
  9. 636056
  10. 6859
  11. 9261
  12. 238328
  13. 357911
  14. 941192
  15. 250047
  16. 753571
  17. 2744
  18. 614125
  19. 166375
  20. 274625
  21. 29791
  22. 4096
  23. 185193
  24. 328509
  25. 6859
  26. 884736
  27. 704969
  28. 35937
  29. 493039
  30. 19683
  31. 166375
  32. 97336
  33. 19683
  34. 29791
  35. 12167
  36. 117649
  37. 32768
  38. 185193
  39. 830584
  40. 157464

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