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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 159 · 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. 1.61³ =
  2. 2.53³ =
  3. 3.85³ =
  4. 4.55³ =
  5. 5.59³ =
  6. 6.71³ =
  7. 7.37³ =
  8. 8.63³ =
  9. 9.94³ =
  10. 10.67³ =
  11. 11.15³ =
  12. 12.33³ =
  13. 13.53³ =
  14. 14.31³ =
  15. 15.34³ =
  16. 16.39³ =
  17. 17.17³ =
  18. 18.12³ =
  19. 19.59³ =
  20. 20.53³ =
  21. 21.78³ =
  22. 22.27³ =
  23. 23.48³ =
  24. 24.11³ =
  25. 25.53³ =
  26. 26.61³ =
  27. 27.81³ =
  28. 28.28³ =
  29. 29.94³ =
  30. 30.71³ =
  31. 31.75³ =
  32. 32.55³ =
  33. 33.94³ =
  34. 34.92³ =
  35. 35.54³ =
  36. 36.47³ =
  37. 37.39³ =
  38. 38.49³ =
  39. 39.61³ =
  40. 40.75³ =

Answer key

  1. 226981
  2. 148877
  3. 614125
  4. 166375
  5. 205379
  6. 357911
  7. 50653
  8. 250047
  9. 830584
  10. 300763
  11. 3375
  12. 35937
  13. 148877
  14. 29791
  15. 39304
  16. 59319
  17. 4913
  18. 1728
  19. 205379
  20. 148877
  21. 474552
  22. 19683
  23. 110592
  24. 1331
  25. 148877
  26. 226981
  27. 531441
  28. 21952
  29. 830584
  30. 357911
  31. 421875
  32. 166375
  33. 830584
  34. 778688
  35. 157464
  36. 103823
  37. 59319
  38. 117649
  39. 226981
  40. 421875

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