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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 858 · 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. 1.48³ =
  2. 2.83³ =
  3. 3.96³ =
  4. 4.59³ =
  5. 5.28³ =
  6. 6.57³ =
  7. 7.96³ =
  8. 8.81³ =
  9. 9.69³ =
  10. 10.53³ =
  11. 11.16³ =
  12. 12.67³ =
  13. 13.38³ =
  14. 14.52³ =
  15. 15.38³ =
  16. 16.74³ =
  17. 17.45³ =
  18. 18.55³ =
  19. 19.68³ =
  20. 20.13³ =
  21. 21.82³ =
  22. 22.74³ =
  23. 23.26³ =
  24. 24.31³ =
  25. 25.61³ =
  26. 26.21³ =
  27. 27.14³ =
  28. 28.59³ =
  29. 29.81³ =
  30. 30.43³ =
  31. 31.44³ =
  32. 32.14³ =
  33. 33.19³ =
  34. 34.44³ =
  35. 35.28³ =
  36. 36.55³ =
  37. 37.49³ =
  38. 38.81³ =
  39. 39.39³ =
  40. 40.71³ =

Answer key

  1. 110592
  2. 571787
  3. 884736
  4. 205379
  5. 21952
  6. 185193
  7. 884736
  8. 531441
  9. 328509
  10. 148877
  11. 4096
  12. 300763
  13. 54872
  14. 140608
  15. 54872
  16. 405224
  17. 91125
  18. 166375
  19. 314432
  20. 2197
  21. 551368
  22. 405224
  23. 17576
  24. 29791
  25. 226981
  26. 9261
  27. 2744
  28. 205379
  29. 531441
  30. 79507
  31. 85184
  32. 2744
  33. 6859
  34. 85184
  35. 21952
  36. 166375
  37. 117649
  38. 531441
  39. 59319
  40. 357911

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