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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 836 · 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. 2.36³ =
  3. 3.12³ =
  4. 4.33³ =
  5. 5.13³ =
  6. 6.86³ =
  7. 7.97³ =
  8. 8.16³ =
  9. 9.81³ =
  10. 10.13³ =
  11. 11.31³ =
  12. 12.78³ =
  13. 13.14³ =
  14. 14.79³ =
  15. 15.34³ =
  16. 16.36³ =
  17. 17.99³ =
  18. 18.97³ =
  19. 19.42³ =
  20. 20.17³ =
  21. 21.56³ =
  22. 22.91³ =
  23. 23.14³ =
  24. 24.56³ =
  25. 25.31³ =
  26. 26.31³ =
  27. 27.59³ =
  28. 28.36³ =
  29. 29.13³ =
  30. 30.45³ =
  31. 31.49³ =
  32. 32.41³ =
  33. 33.43³ =
  34. 34.23³ =
  35. 35.17³ =
  36. 36.66³ =
  37. 37.95³ =
  38. 38.39³ =
  39. 39.65³ =
  40. 40.91³ =

Answer key

  1. 226981
  2. 46656
  3. 1728
  4. 35937
  5. 2197
  6. 636056
  7. 912673
  8. 4096
  9. 531441
  10. 2197
  11. 29791
  12. 474552
  13. 2744
  14. 493039
  15. 39304
  16. 46656
  17. 970299
  18. 912673
  19. 74088
  20. 4913
  21. 175616
  22. 753571
  23. 2744
  24. 175616
  25. 29791
  26. 29791
  27. 205379
  28. 46656
  29. 2197
  30. 91125
  31. 117649
  32. 68921
  33. 79507
  34. 12167
  35. 4913
  36. 287496
  37. 857375
  38. 59319
  39. 274625
  40. 753571

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