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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 415 · 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. 2.56³ =
  3. 3.34³ =
  4. 4.74³ =
  5. 5.22³ =
  6. 6.48³ =
  7. 7.58³ =
  8. 8.24³ =
  9. 9.37³ =
  10. 10.83³ =
  11. 11.78³ =
  12. 12.18³ =
  13. 13.15³ =
  14. 14.34³ =
  15. 15.67³ =
  16. 16.55³ =
  17. 17.85³ =
  18. 18.21³ =
  19. 19.24³ =
  20. 20.25³ =
  21. 21.31³ =
  22. 22.49³ =
  23. 23.34³ =
  24. 24.97³ =
  25. 25.56³ =
  26. 26.44³ =
  27. 27.27³ =
  28. 28.89³ =
  29. 29.56³ =
  30. 30.29³ =
  31. 31.85³ =
  32. 32.37³ =
  33. 33.66³ =
  34. 34.72³ =
  35. 35.23³ =
  36. 36.34³ =
  37. 37.91³ =
  38. 38.26³ =
  39. 39.81³ =
  40. 40.22³ =

Answer key

  1. 21952
  2. 175616
  3. 39304
  4. 405224
  5. 10648
  6. 110592
  7. 195112
  8. 13824
  9. 50653
  10. 571787
  11. 474552
  12. 5832
  13. 3375
  14. 39304
  15. 300763
  16. 166375
  17. 614125
  18. 9261
  19. 13824
  20. 15625
  21. 29791
  22. 117649
  23. 39304
  24. 912673
  25. 175616
  26. 85184
  27. 19683
  28. 704969
  29. 175616
  30. 24389
  31. 614125
  32. 50653
  33. 287496
  34. 373248
  35. 12167
  36. 39304
  37. 753571
  38. 17576
  39. 531441
  40. 10648

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