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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 964 · 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. 1.92³ =
  2. 2.19³ =
  3. 3.62³ =
  4. 4.71³ =
  5. 5.34³ =
  6. 6.93³ =
  7. 7.81³ =
  8. 8.53³ =
  9. 9.24³ =
  10. 10.13³ =
  11. 11.78³ =
  12. 12.91³ =
  13. 13.17³ =
  14. 14.26³ =
  15. 15.25³ =
  16. 16.17³ =
  17. 17.89³ =
  18. 18.47³ =
  19. 19.84³ =
  20. 20.86³ =
  21. 21.16³ =
  22. 22.81³ =
  23. 23.89³ =
  24. 24.49³ =
  25. 25.31³ =
  26. 26.18³ =
  27. 27.21³ =
  28. 28.21³ =
  29. 29.34³ =
  30. 30.57³ =
  31. 31.14³ =
  32. 32.71³ =
  33. 33.72³ =
  34. 34.58³ =
  35. 35.12³ =
  36. 36.31³ =
  37. 37.81³ =
  38. 38.22³ =
  39. 39.61³ =
  40. 40.74³ =

Answer key

  1. 778688
  2. 6859
  3. 238328
  4. 357911
  5. 39304
  6. 804357
  7. 531441
  8. 148877
  9. 13824
  10. 2197
  11. 474552
  12. 753571
  13. 4913
  14. 17576
  15. 15625
  16. 4913
  17. 704969
  18. 103823
  19. 592704
  20. 636056
  21. 4096
  22. 531441
  23. 704969
  24. 117649
  25. 29791
  26. 5832
  27. 9261
  28. 9261
  29. 39304
  30. 185193
  31. 2744
  32. 357911
  33. 373248
  34. 195112
  35. 1728
  36. 29791
  37. 531441
  38. 10648
  39. 226981
  40. 405224

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