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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 824 · 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. 1.63³ =
  2. 2.42³ =
  3. 3.71³ =
  4. 4.41³ =
  5. 5.62³ =
  6. 6.19³ =
  7. 7.38³ =
  8. 8.43³ =
  9. 9.69³ =
  10. 10.83³ =
  11. 11.35³ =
  12. 12.52³ =
  13. 13.19³ =
  14. 14.39³ =
  15. 15.28³ =
  16. 16.58³ =
  17. 17.13³ =
  18. 18.37³ =
  19. 19.85³ =
  20. 20.53³ =
  21. 21.56³ =
  22. 22.13³ =
  23. 23.61³ =
  24. 24.66³ =
  25. 25.54³ =
  26. 26.93³ =
  27. 27.89³ =
  28. 28.41³ =
  29. 29.83³ =
  30. 30.43³ =
  31. 31.88³ =
  32. 32.47³ =
  33. 33.21³ =
  34. 34.89³ =
  35. 35.27³ =
  36. 36.32³ =
  37. 37.94³ =
  38. 38.97³ =
  39. 39.89³ =
  40. 40.21³ =

Answer key

  1. 250047
  2. 74088
  3. 357911
  4. 68921
  5. 238328
  6. 6859
  7. 54872
  8. 79507
  9. 328509
  10. 571787
  11. 42875
  12. 140608
  13. 6859
  14. 59319
  15. 21952
  16. 195112
  17. 2197
  18. 50653
  19. 614125
  20. 148877
  21. 175616
  22. 2197
  23. 226981
  24. 287496
  25. 157464
  26. 804357
  27. 704969
  28. 68921
  29. 571787
  30. 79507
  31. 681472
  32. 103823
  33. 9261
  34. 704969
  35. 19683
  36. 32768
  37. 830584
  38. 912673
  39. 704969
  40. 9261

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