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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 956 · 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. 1.87³ =
  2. 2.76³ =
  3. 3.45³ =
  4. 4.13³ =
  5. 5.24³ =
  6. 6.63³ =
  7. 7.71³ =
  8. 8.45³ =
  9. 9.17³ =
  10. 10.31³ =
  11. 11.92³ =
  12. 12.79³ =
  13. 13.65³ =
  14. 14.62³ =
  15. 15.26³ =
  16. 16.71³ =
  17. 17.88³ =
  18. 18.57³ =
  19. 19.34³ =
  20. 20.39³ =
  21. 21.82³ =
  22. 22.31³ =
  23. 23.17³ =
  24. 24.86³ =
  25. 25.87³ =
  26. 26.79³ =
  27. 27.31³ =
  28. 28.69³ =
  29. 29.14³ =
  30. 30.41³ =
  31. 31.74³ =
  32. 32.66³ =
  33. 33.95³ =
  34. 34.46³ =
  35. 35.43³ =
  36. 36.37³ =
  37. 37.53³ =
  38. 38.43³ =
  39. 39.34³ =
  40. 40.66³ =

Answer key

  1. 658503
  2. 438976
  3. 91125
  4. 2197
  5. 13824
  6. 250047
  7. 357911
  8. 91125
  9. 4913
  10. 29791
  11. 778688
  12. 493039
  13. 274625
  14. 238328
  15. 17576
  16. 357911
  17. 681472
  18. 185193
  19. 39304
  20. 59319
  21. 551368
  22. 29791
  23. 4913
  24. 636056
  25. 658503
  26. 493039
  27. 29791
  28. 328509
  29. 2744
  30. 68921
  31. 405224
  32. 287496
  33. 857375
  34. 97336
  35. 79507
  36. 50653
  37. 148877
  38. 79507
  39. 39304
  40. 287496

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