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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 984 · 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. 1.38³ =
  2. 2.96³ =
  3. 3.86³ =
  4. 4.44³ =
  5. 5.66³ =
  6. 6.17³ =
  7. 7.33³ =
  8. 8.26³ =
  9. 9.66³ =
  10. 10.91³ =
  11. 11.28³ =
  12. 12.41³ =
  13. 13.79³ =
  14. 14.71³ =
  15. 15.61³ =
  16. 16.47³ =
  17. 17.44³ =
  18. 18.81³ =
  19. 19.95³ =
  20. 20.15³ =
  21. 21.61³ =
  22. 22.28³ =
  23. 23.21³ =
  24. 24.69³ =
  25. 25.32³ =
  26. 26.25³ =
  27. 27.31³ =
  28. 28.78³ =
  29. 29.31³ =
  30. 30.78³ =
  31. 31.31³ =
  32. 32.37³ =
  33. 33.57³ =
  34. 34.23³ =
  35. 35.91³ =
  36. 36.23³ =
  37. 37.72³ =
  38. 38.81³ =
  39. 39.21³ =
  40. 40.84³ =

Answer key

  1. 54872
  2. 884736
  3. 636056
  4. 85184
  5. 287496
  6. 4913
  7. 35937
  8. 17576
  9. 287496
  10. 753571
  11. 21952
  12. 68921
  13. 493039
  14. 357911
  15. 226981
  16. 103823
  17. 85184
  18. 531441
  19. 857375
  20. 3375
  21. 226981
  22. 21952
  23. 9261
  24. 328509
  25. 32768
  26. 15625
  27. 29791
  28. 474552
  29. 29791
  30. 474552
  31. 29791
  32. 50653
  33. 185193
  34. 12167
  35. 753571
  36. 12167
  37. 373248
  38. 531441
  39. 9261
  40. 592704

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