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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 744 · 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. 1.96³ =
  2. 2.24³ =
  3. 3.12³ =
  4. 4.81³ =
  5. 5.42³ =
  6. 6.45³ =
  7. 7.86³ =
  8. 8.25³ =
  9. 9.16³ =
  10. 10.71³ =
  11. 11.55³ =
  12. 12.46³ =
  13. 13.99³ =
  14. 14.81³ =
  15. 15.31³ =
  16. 16.95³ =
  17. 17.89³ =
  18. 18.66³ =
  19. 19.83³ =
  20. 20.11³ =
  21. 21.47³ =
  22. 22.22³ =
  23. 23.99³ =
  24. 24.25³ =
  25. 25.62³ =
  26. 26.38³ =
  27. 27.31³ =
  28. 28.18³ =
  29. 29.32³ =
  30. 30.71³ =
  31. 31.28³ =
  32. 32.99³ =
  33. 33.61³ =
  34. 34.97³ =
  35. 35.48³ =
  36. 36.29³ =
  37. 37.21³ =
  38. 38.19³ =
  39. 39.25³ =
  40. 40.22³ =

Answer key

  1. 884736
  2. 13824
  3. 1728
  4. 531441
  5. 74088
  6. 91125
  7. 636056
  8. 15625
  9. 4096
  10. 357911
  11. 166375
  12. 97336
  13. 970299
  14. 531441
  15. 29791
  16. 857375
  17. 704969
  18. 287496
  19. 571787
  20. 1331
  21. 103823
  22. 10648
  23. 970299
  24. 15625
  25. 238328
  26. 54872
  27. 29791
  28. 5832
  29. 32768
  30. 357911
  31. 21952
  32. 970299
  33. 226981
  34. 912673
  35. 110592
  36. 24389
  37. 9261
  38. 6859
  39. 15625
  40. 10648

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