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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 632 · 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. 1.57³ =
  2. 2.63³ =
  3. 3.44³ =
  4. 4.28³ =
  5. 5.27³ =
  6. 6.66³ =
  7. 7.71³ =
  8. 8.26³ =
  9. 9.83³ =
  10. 10.43³ =
  11. 11.23³ =
  12. 12.97³ =
  13. 13.16³ =
  14. 14.94³ =
  15. 15.13³ =
  16. 16.28³ =
  17. 17.17³ =
  18. 18.98³ =
  19. 19.51³ =
  20. 20.19³ =
  21. 21.87³ =
  22. 22.51³ =
  23. 23.86³ =
  24. 24.95³ =
  25. 25.63³ =
  26. 26.21³ =
  27. 27.96³ =
  28. 28.78³ =
  29. 29.71³ =
  30. 30.76³ =
  31. 31.34³ =
  32. 32.25³ =
  33. 33.17³ =
  34. 34.81³ =
  35. 35.39³ =
  36. 36.81³ =
  37. 37.48³ =
  38. 38.13³ =
  39. 39.51³ =
  40. 40.61³ =

Answer key

  1. 185193
  2. 250047
  3. 85184
  4. 21952
  5. 19683
  6. 287496
  7. 357911
  8. 17576
  9. 571787
  10. 79507
  11. 12167
  12. 912673
  13. 4096
  14. 830584
  15. 2197
  16. 21952
  17. 4913
  18. 941192
  19. 132651
  20. 6859
  21. 658503
  22. 132651
  23. 636056
  24. 857375
  25. 250047
  26. 9261
  27. 884736
  28. 474552
  29. 357911
  30. 438976
  31. 39304
  32. 15625
  33. 4913
  34. 531441
  35. 59319
  36. 531441
  37. 110592
  38. 2197
  39. 132651
  40. 226981

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