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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 735 · 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. 1.97³ =
  2. 2.75³ =
  3. 3.47³ =
  4. 4.26³ =
  5. 5.31³ =
  6. 6.72³ =
  7. 7.76³ =
  8. 8.77³ =
  9. 9.61³ =
  10. 10.75³ =
  11. 11.14³ =
  12. 12.39³ =
  13. 13.21³ =
  14. 14.71³ =
  15. 15.64³ =
  16. 16.94³ =
  17. 17.83³ =
  18. 18.66³ =
  19. 19.86³ =
  20. 20.92³ =
  21. 21.48³ =
  22. 22.46³ =
  23. 23.64³ =
  24. 24.47³ =
  25. 25.21³ =
  26. 26.89³ =
  27. 27.31³ =
  28. 28.35³ =
  29. 29.36³ =
  30. 30.86³ =
  31. 31.51³ =
  32. 32.16³ =
  33. 33.84³ =
  34. 34.18³ =
  35. 35.45³ =
  36. 36.26³ =
  37. 37.69³ =
  38. 38.34³ =
  39. 39.88³ =
  40. 40.43³ =

Answer key

  1. 912673
  2. 421875
  3. 103823
  4. 17576
  5. 29791
  6. 373248
  7. 438976
  8. 456533
  9. 226981
  10. 421875
  11. 2744
  12. 59319
  13. 9261
  14. 357911
  15. 262144
  16. 830584
  17. 571787
  18. 287496
  19. 636056
  20. 778688
  21. 110592
  22. 97336
  23. 262144
  24. 103823
  25. 9261
  26. 704969
  27. 29791
  28. 42875
  29. 46656
  30. 636056
  31. 132651
  32. 4096
  33. 592704
  34. 5832
  35. 91125
  36. 17576
  37. 328509
  38. 39304
  39. 681472
  40. 79507

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