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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 662 · 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. 1.37³ =
  2. 2.73³ =
  3. 3.23³ =
  4. 4.71³ =
  5. 5.78³ =
  6. 6.46³ =
  7. 7.31³ =
  8. 8.22³ =
  9. 9.71³ =
  10. 10.14³ =
  11. 11.47³ =
  12. 12.21³ =
  13. 13.98³ =
  14. 14.32³ =
  15. 15.74³ =
  16. 16.22³ =
  17. 17.13³ =
  18. 18.69³ =
  19. 19.73³ =
  20. 20.44³ =
  21. 21.35³ =
  22. 22.81³ =
  23. 23.63³ =
  24. 24.71³ =
  25. 25.34³ =
  26. 26.12³ =
  27. 27.49³ =
  28. 28.65³ =
  29. 29.25³ =
  30. 30.43³ =
  31. 31.51³ =
  32. 32.61³ =
  33. 33.84³ =
  34. 34.15³ =
  35. 35.28³ =
  36. 36.17³ =
  37. 37.11³ =
  38. 38.21³ =
  39. 39.84³ =
  40. 40.54³ =

Answer key

  1. 50653
  2. 389017
  3. 12167
  4. 357911
  5. 474552
  6. 97336
  7. 29791
  8. 10648
  9. 357911
  10. 2744
  11. 103823
  12. 9261
  13. 941192
  14. 32768
  15. 405224
  16. 10648
  17. 2197
  18. 328509
  19. 389017
  20. 85184
  21. 42875
  22. 531441
  23. 250047
  24. 357911
  25. 39304
  26. 1728
  27. 117649
  28. 274625
  29. 15625
  30. 79507
  31. 132651
  32. 226981
  33. 592704
  34. 3375
  35. 21952
  36. 4913
  37. 1331
  38. 9261
  39. 592704
  40. 157464

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