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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 795 · 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. 1.33³ =
  2. 2.69³ =
  3. 3.21³ =
  4. 4.31³ =
  5. 5.19³ =
  6. 6.96³ =
  7. 7.26³ =
  8. 8.83³ =
  9. 9.14³ =
  10. 10.21³ =
  11. 11.32³ =
  12. 12.16³ =
  13. 13.28³ =
  14. 14.49³ =
  15. 15.95³ =
  16. 16.31³ =
  17. 17.82³ =
  18. 18.42³ =
  19. 19.11³ =
  20. 20.34³ =
  21. 21.91³ =
  22. 22.93³ =
  23. 23.41³ =
  24. 24.81³ =
  25. 25.28³ =
  26. 26.21³ =
  27. 27.63³ =
  28. 28.76³ =
  29. 29.44³ =
  30. 30.33³ =
  31. 31.41³ =
  32. 32.19³ =
  33. 33.74³ =
  34. 34.22³ =
  35. 35.37³ =
  36. 36.84³ =
  37. 37.81³ =
  38. 38.23³ =
  39. 39.76³ =
  40. 40.81³ =

Answer key

  1. 35937
  2. 328509
  3. 9261
  4. 29791
  5. 6859
  6. 884736
  7. 17576
  8. 571787
  9. 2744
  10. 9261
  11. 32768
  12. 4096
  13. 21952
  14. 117649
  15. 857375
  16. 29791
  17. 551368
  18. 74088
  19. 1331
  20. 39304
  21. 753571
  22. 804357
  23. 68921
  24. 531441
  25. 21952
  26. 9261
  27. 250047
  28. 438976
  29. 85184
  30. 35937
  31. 68921
  32. 6859
  33. 405224
  34. 10648
  35. 50653
  36. 592704
  37. 531441
  38. 12167
  39. 438976
  40. 531441

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