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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 262 · 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. 1.12³ =
  2. 2.35³ =
  3. 3.48³ =
  4. 4.81³ =
  5. 5.67³ =
  6. 6.76³ =
  7. 7.16³ =
  8. 8.83³ =
  9. 9.71³ =
  10. 10.28³ =
  11. 11.24³ =
  12. 12.63³ =
  13. 13.11³ =
  14. 14.74³ =
  15. 15.51³ =
  16. 16.15³ =
  17. 17.87³ =
  18. 18.29³ =
  19. 19.66³ =
  20. 20.83³ =
  21. 21.81³ =
  22. 22.56³ =
  23. 23.51³ =
  24. 24.16³ =
  25. 25.61³ =
  26. 26.82³ =
  27. 27.15³ =
  28. 28.14³ =
  29. 29.83³ =
  30. 30.81³ =
  31. 31.88³ =
  32. 32.24³ =
  33. 33.55³ =
  34. 34.68³ =
  35. 35.38³ =
  36. 36.89³ =
  37. 37.99³ =
  38. 38.21³ =
  39. 39.28³ =
  40. 40.96³ =

Answer key

  1. 1728
  2. 42875
  3. 110592
  4. 531441
  5. 300763
  6. 438976
  7. 4096
  8. 571787
  9. 357911
  10. 21952
  11. 13824
  12. 250047
  13. 1331
  14. 405224
  15. 132651
  16. 3375
  17. 658503
  18. 24389
  19. 287496
  20. 571787
  21. 531441
  22. 175616
  23. 132651
  24. 4096
  25. 226981
  26. 551368
  27. 3375
  28. 2744
  29. 571787
  30. 531441
  31. 681472
  32. 13824
  33. 166375
  34. 314432
  35. 54872
  36. 704969
  37. 970299
  38. 9261
  39. 21952
  40. 884736

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