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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 856 · 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. 1.13³ =
  2. 2.24³ =
  3. 3.48³ =
  4. 4.71³ =
  5. 5.98³ =
  6. 6.62³ =
  7. 7.85³ =
  8. 8.32³ =
  9. 9.98³ =
  10. 10.39³ =
  11. 11.31³ =
  12. 12.84³ =
  13. 13.48³ =
  14. 14.43³ =
  15. 15.98³ =
  16. 16.46³ =
  17. 17.19³ =
  18. 18.44³ =
  19. 19.75³ =
  20. 20.81³ =
  21. 21.47³ =
  22. 22.97³ =
  23. 23.23³ =
  24. 24.11³ =
  25. 25.41³ =
  26. 26.86³ =
  27. 27.44³ =
  28. 28.13³ =
  29. 29.24³ =
  30. 30.13³ =
  31. 31.76³ =
  32. 32.91³ =
  33. 33.51³ =
  34. 34.19³ =
  35. 35.51³ =
  36. 36.61³ =
  37. 37.61³ =
  38. 38.15³ =
  39. 39.73³ =
  40. 40.85³ =

Answer key

  1. 2197
  2. 13824
  3. 110592
  4. 357911
  5. 941192
  6. 238328
  7. 614125
  8. 32768
  9. 941192
  10. 59319
  11. 29791
  12. 592704
  13. 110592
  14. 79507
  15. 941192
  16. 97336
  17. 6859
  18. 85184
  19. 421875
  20. 531441
  21. 103823
  22. 912673
  23. 12167
  24. 1331
  25. 68921
  26. 636056
  27. 85184
  28. 2197
  29. 13824
  30. 2197
  31. 438976
  32. 753571
  33. 132651
  34. 6859
  35. 132651
  36. 226981
  37. 226981
  38. 3375
  39. 389017
  40. 614125

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