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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 953 · 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. 2.92³ =
  3. 3.34³ =
  4. 4.23³ =
  5. 5.47³ =
  6. 6.31³ =
  7. 7.75³ =
  8. 8.14³ =
  9. 9.97³ =
  10. 10.87³ =
  11. 11.67³ =
  12. 12.21³ =
  13. 13.25³ =
  14. 14.78³ =
  15. 15.67³ =
  16. 16.89³ =
  17. 17.57³ =
  18. 18.49³ =
  19. 19.52³ =
  20. 20.17³ =
  21. 21.24³ =
  22. 22.74³ =
  23. 23.74³ =
  24. 24.63³ =
  25. 25.84³ =
  26. 26.38³ =
  27. 27.11³ =
  28. 28.38³ =
  29. 29.33³ =
  30. 30.31³ =
  31. 31.61³ =
  32. 32.91³ =
  33. 33.13³ =
  34. 34.39³ =
  35. 35.26³ =
  36. 36.11³ =
  37. 37.51³ =
  38. 38.93³ =
  39. 39.25³ =
  40. 40.66³ =

Answer key

  1. 85184
  2. 778688
  3. 39304
  4. 12167
  5. 103823
  6. 29791
  7. 421875
  8. 2744
  9. 912673
  10. 658503
  11. 300763
  12. 9261
  13. 15625
  14. 474552
  15. 300763
  16. 704969
  17. 185193
  18. 117649
  19. 140608
  20. 4913
  21. 13824
  22. 405224
  23. 405224
  24. 250047
  25. 592704
  26. 54872
  27. 1331
  28. 54872
  29. 35937
  30. 29791
  31. 226981
  32. 753571
  33. 2197
  34. 59319
  35. 17576
  36. 1331
  37. 132651
  38. 804357
  39. 15625
  40. 287496

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