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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 466 · 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. 1.44³ =
  2. 2.26³ =
  3. 3.73³ =
  4. 4.61³ =
  5. 5.39³ =
  6. 6.47³ =
  7. 7.56³ =
  8. 8.54³ =
  9. 9.91³ =
  10. 10.12³ =
  11. 11.56³ =
  12. 12.38³ =
  13. 13.34³ =
  14. 14.35³ =
  15. 15.12³ =
  16. 16.34³ =
  17. 17.93³ =
  18. 18.53³ =
  19. 19.75³ =
  20. 20.73³ =
  21. 21.71³ =
  22. 22.53³ =
  23. 23.81³ =
  24. 24.18³ =
  25. 25.21³ =
  26. 26.19³ =
  27. 27.12³ =
  28. 28.26³ =
  29. 29.33³ =
  30. 30.24³ =
  31. 31.68³ =
  32. 32.98³ =
  33. 33.17³ =
  34. 34.61³ =
  35. 35.27³ =
  36. 36.75³ =
  37. 37.75³ =
  38. 38.95³ =
  39. 39.15³ =
  40. 40.54³ =

Answer key

  1. 85184
  2. 17576
  3. 389017
  4. 226981
  5. 59319
  6. 103823
  7. 175616
  8. 157464
  9. 753571
  10. 1728
  11. 175616
  12. 54872
  13. 39304
  14. 42875
  15. 1728
  16. 39304
  17. 804357
  18. 148877
  19. 421875
  20. 389017
  21. 357911
  22. 148877
  23. 531441
  24. 5832
  25. 9261
  26. 6859
  27. 1728
  28. 17576
  29. 35937
  30. 13824
  31. 314432
  32. 941192
  33. 4913
  34. 226981
  35. 19683
  36. 421875
  37. 421875
  38. 857375
  39. 3375
  40. 157464

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