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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 712 · 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. 1.98³ =
  2. 2.33³ =
  3. 3.18³ =
  4. 4.92³ =
  5. 5.63³ =
  6. 6.94³ =
  7. 7.34³ =
  8. 8.67³ =
  9. 9.98³ =
  10. 10.34³ =
  11. 11.29³ =
  12. 12.18³ =
  13. 13.95³ =
  14. 14.12³ =
  15. 15.69³ =
  16. 16.48³ =
  17. 17.13³ =
  18. 18.81³ =
  19. 19.96³ =
  20. 20.94³ =
  21. 21.21³ =
  22. 22.32³ =
  23. 23.34³ =
  24. 24.35³ =
  25. 25.34³ =
  26. 26.89³ =
  27. 27.95³ =
  28. 28.73³ =
  29. 29.36³ =
  30. 30.37³ =
  31. 31.97³ =
  32. 32.18³ =
  33. 33.46³ =
  34. 34.36³ =
  35. 35.61³ =
  36. 36.37³ =
  37. 37.24³ =
  38. 38.93³ =
  39. 39.84³ =
  40. 40.56³ =

Answer key

  1. 941192
  2. 35937
  3. 5832
  4. 778688
  5. 250047
  6. 830584
  7. 39304
  8. 300763
  9. 941192
  10. 39304
  11. 24389
  12. 5832
  13. 857375
  14. 1728
  15. 328509
  16. 110592
  17. 2197
  18. 531441
  19. 884736
  20. 830584
  21. 9261
  22. 32768
  23. 39304
  24. 42875
  25. 39304
  26. 704969
  27. 857375
  28. 389017
  29. 46656
  30. 50653
  31. 912673
  32. 5832
  33. 97336
  34. 46656
  35. 226981
  36. 50653
  37. 13824
  38. 804357
  39. 592704
  40. 175616

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