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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 862 · 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. 2.67³ =
  3. 3.73³ =
  4. 4.36³ =
  5. 5.57³ =
  6. 6.32³ =
  7. 7.39³ =
  8. 8.98³ =
  9. 9.66³ =
  10. 10.78³ =
  11. 11.64³ =
  12. 12.11³ =
  13. 13.38³ =
  14. 14.37³ =
  15. 15.21³ =
  16. 16.68³ =
  17. 17.71³ =
  18. 18.31³ =
  19. 19.68³ =
  20. 20.24³ =
  21. 21.87³ =
  22. 22.31³ =
  23. 23.26³ =
  24. 24.16³ =
  25. 25.58³ =
  26. 26.19³ =
  27. 27.27³ =
  28. 28.97³ =
  29. 29.38³ =
  30. 30.24³ =
  31. 31.71³ =
  32. 32.34³ =
  33. 33.35³ =
  34. 34.21³ =
  35. 35.14³ =
  36. 36.11³ =
  37. 37.32³ =
  38. 38.31³ =
  39. 39.61³ =
  40. 40.31³ =

Answer key

  1. 804357
  2. 300763
  3. 389017
  4. 46656
  5. 185193
  6. 32768
  7. 59319
  8. 941192
  9. 287496
  10. 474552
  11. 262144
  12. 1331
  13. 54872
  14. 50653
  15. 9261
  16. 314432
  17. 357911
  18. 29791
  19. 314432
  20. 13824
  21. 658503
  22. 29791
  23. 17576
  24. 4096
  25. 195112
  26. 6859
  27. 19683
  28. 912673
  29. 54872
  30. 13824
  31. 357911
  32. 39304
  33. 42875
  34. 9261
  35. 2744
  36. 1331
  37. 32768
  38. 29791
  39. 226981
  40. 29791

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