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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 529 · 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. 2.71³ =
  3. 3.53³ =
  4. 4.31³ =
  5. 5.25³ =
  6. 6.15³ =
  7. 7.68³ =
  8. 8.31³ =
  9. 9.39³ =
  10. 10.86³ =
  11. 11.22³ =
  12. 12.99³ =
  13. 13.98³ =
  14. 14.46³ =
  15. 15.34³ =
  16. 16.27³ =
  17. 17.88³ =
  18. 18.29³ =
  19. 19.61³ =
  20. 20.63³ =
  21. 21.54³ =
  22. 22.68³ =
  23. 23.32³ =
  24. 24.11³ =
  25. 25.76³ =
  26. 26.31³ =
  27. 27.21³ =
  28. 28.82³ =
  29. 29.83³ =
  30. 30.52³ =
  31. 31.79³ =
  32. 32.15³ =
  33. 33.96³ =
  34. 34.97³ =
  35. 35.68³ =
  36. 36.88³ =
  37. 37.76³ =
  38. 38.77³ =
  39. 39.92³ =
  40. 40.33³ =

Answer key

  1. 54872
  2. 357911
  3. 148877
  4. 29791
  5. 15625
  6. 3375
  7. 314432
  8. 29791
  9. 59319
  10. 636056
  11. 10648
  12. 970299
  13. 941192
  14. 97336
  15. 39304
  16. 19683
  17. 681472
  18. 24389
  19. 226981
  20. 250047
  21. 157464
  22. 314432
  23. 32768
  24. 1331
  25. 438976
  26. 29791
  27. 9261
  28. 551368
  29. 571787
  30. 140608
  31. 493039
  32. 3375
  33. 884736
  34. 912673
  35. 314432
  36. 681472
  37. 438976
  38. 456533
  39. 778688
  40. 35937

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