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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 265 · 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. 1.14³ =
  2. 2.21³ =
  3. 3.13³ =
  4. 4.37³ =
  5. 5.49³ =
  6. 6.91³ =
  7. 7.61³ =
  8. 8.37³ =
  9. 9.46³ =
  10. 10.85³ =
  11. 11.44³ =
  12. 12.98³ =
  13. 13.56³ =
  14. 14.51³ =
  15. 15.53³ =
  16. 16.82³ =
  17. 17.73³ =
  18. 18.91³ =
  19. 19.79³ =
  20. 20.57³ =
  21. 21.15³ =
  22. 22.21³ =
  23. 23.17³ =
  24. 24.33³ =
  25. 25.88³ =
  26. 26.52³ =
  27. 27.37³ =
  28. 28.31³ =
  29. 29.38³ =
  30. 30.33³ =
  31. 31.72³ =
  32. 32.93³ =
  33. 33.23³ =
  34. 34.63³ =
  35. 35.15³ =
  36. 36.87³ =
  37. 37.56³ =
  38. 38.98³ =
  39. 39.22³ =
  40. 40.88³ =

Answer key

  1. 2744
  2. 9261
  3. 2197
  4. 50653
  5. 117649
  6. 753571
  7. 226981
  8. 50653
  9. 97336
  10. 614125
  11. 85184
  12. 941192
  13. 175616
  14. 132651
  15. 148877
  16. 551368
  17. 389017
  18. 753571
  19. 493039
  20. 185193
  21. 3375
  22. 9261
  23. 4913
  24. 35937
  25. 681472
  26. 140608
  27. 50653
  28. 29791
  29. 54872
  30. 35937
  31. 373248
  32. 804357
  33. 12167
  34. 250047
  35. 3375
  36. 658503
  37. 175616
  38. 941192
  39. 10648
  40. 681472

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