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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 451 · 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. 1.93³ =
  2. 2.14³ =
  3. 3.51³ =
  4. 4.96³ =
  5. 5.84³ =
  6. 6.56³ =
  7. 7.32³ =
  8. 8.21³ =
  9. 9.73³ =
  10. 10.71³ =
  11. 11.57³ =
  12. 12.99³ =
  13. 13.52³ =
  14. 14.86³ =
  15. 15.73³ =
  16. 16.61³ =
  17. 17.28³ =
  18. 18.37³ =
  19. 19.14³ =
  20. 20.61³ =
  21. 21.68³ =
  22. 22.59³ =
  23. 23.67³ =
  24. 24.34³ =
  25. 25.95³ =
  26. 26.65³ =
  27. 27.81³ =
  28. 28.21³ =
  29. 29.38³ =
  30. 30.38³ =
  31. 31.25³ =
  32. 32.28³ =
  33. 33.75³ =
  34. 34.22³ =
  35. 35.39³ =
  36. 36.48³ =
  37. 37.96³ =
  38. 38.11³ =
  39. 39.44³ =
  40. 40.69³ =

Answer key

  1. 804357
  2. 2744
  3. 132651
  4. 884736
  5. 592704
  6. 175616
  7. 32768
  8. 9261
  9. 389017
  10. 357911
  11. 185193
  12. 970299
  13. 140608
  14. 636056
  15. 389017
  16. 226981
  17. 21952
  18. 50653
  19. 2744
  20. 226981
  21. 314432
  22. 205379
  23. 300763
  24. 39304
  25. 857375
  26. 274625
  27. 531441
  28. 9261
  29. 54872
  30. 54872
  31. 15625
  32. 21952
  33. 421875
  34. 10648
  35. 59319
  36. 110592
  37. 884736
  38. 1331
  39. 85184
  40. 328509

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