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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 315 · 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. 1.33³ =
  2. 2.91³ =
  3. 3.25³ =
  4. 4.26³ =
  5. 5.37³ =
  6. 6.54³ =
  7. 7.68³ =
  8. 8.31³ =
  9. 9.66³ =
  10. 10.71³ =
  11. 11.94³ =
  12. 12.23³ =
  13. 13.69³ =
  14. 14.39³ =
  15. 15.21³ =
  16. 16.71³ =
  17. 17.31³ =
  18. 18.27³ =
  19. 19.11³ =
  20. 20.23³ =
  21. 21.35³ =
  22. 22.67³ =
  23. 23.42³ =
  24. 24.51³ =
  25. 25.31³ =
  26. 26.68³ =
  27. 27.21³ =
  28. 28.49³ =
  29. 29.75³ =
  30. 30.21³ =
  31. 31.85³ =
  32. 32.89³ =
  33. 33.77³ =
  34. 34.78³ =
  35. 35.29³ =
  36. 36.98³ =
  37. 37.34³ =
  38. 38.14³ =
  39. 39.17³ =
  40. 40.31³ =

Answer key

  1. 35937
  2. 753571
  3. 15625
  4. 17576
  5. 50653
  6. 157464
  7. 314432
  8. 29791
  9. 287496
  10. 357911
  11. 830584
  12. 12167
  13. 328509
  14. 59319
  15. 9261
  16. 357911
  17. 29791
  18. 19683
  19. 1331
  20. 12167
  21. 42875
  22. 300763
  23. 74088
  24. 132651
  25. 29791
  26. 314432
  27. 9261
  28. 117649
  29. 421875
  30. 9261
  31. 614125
  32. 704969
  33. 456533
  34. 474552
  35. 24389
  36. 941192
  37. 39304
  38. 2744
  39. 4913
  40. 29791

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