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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 860 · 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. 1.28³ =
  2. 2.44³ =
  3. 3.91³ =
  4. 4.37³ =
  5. 5.93³ =
  6. 6.87³ =
  7. 7.86³ =
  8. 8.34³ =
  9. 9.41³ =
  10. 10.71³ =
  11. 11.69³ =
  12. 12.76³ =
  13. 13.81³ =
  14. 14.44³ =
  15. 15.12³ =
  16. 16.82³ =
  17. 17.73³ =
  18. 18.94³ =
  19. 19.94³ =
  20. 20.28³ =
  21. 21.32³ =
  22. 22.96³ =
  23. 23.39³ =
  24. 24.55³ =
  25. 25.41³ =
  26. 26.34³ =
  27. 27.71³ =
  28. 28.81³ =
  29. 29.22³ =
  30. 30.41³ =
  31. 31.37³ =
  32. 32.57³ =
  33. 33.57³ =
  34. 34.22³ =
  35. 35.44³ =
  36. 36.21³ =
  37. 37.27³ =
  38. 38.87³ =
  39. 39.71³ =
  40. 40.79³ =

Answer key

  1. 21952
  2. 85184
  3. 753571
  4. 50653
  5. 804357
  6. 658503
  7. 636056
  8. 39304
  9. 68921
  10. 357911
  11. 328509
  12. 438976
  13. 531441
  14. 85184
  15. 1728
  16. 551368
  17. 389017
  18. 830584
  19. 830584
  20. 21952
  21. 32768
  22. 884736
  23. 59319
  24. 166375
  25. 68921
  26. 39304
  27. 357911
  28. 531441
  29. 10648
  30. 68921
  31. 50653
  32. 185193
  33. 185193
  34. 10648
  35. 85184
  36. 9261
  37. 19683
  38. 658503
  39. 357911
  40. 493039

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