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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 127 · 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. 1.47³ =
  2. 2.61³ =
  3. 3.39³ =
  4. 4.87³ =
  5. 5.99³ =
  6. 6.39³ =
  7. 7.71³ =
  8. 8.89³ =
  9. 9.63³ =
  10. 10.91³ =
  11. 11.68³ =
  12. 12.58³ =
  13. 13.71³ =
  14. 14.71³ =
  15. 15.42³ =
  16. 16.76³ =
  17. 17.43³ =
  18. 18.31³ =
  19. 19.69³ =
  20. 20.68³ =
  21. 21.22³ =
  22. 22.35³ =
  23. 23.91³ =
  24. 24.74³ =
  25. 25.18³ =
  26. 26.87³ =
  27. 27.37³ =
  28. 28.94³ =
  29. 29.44³ =
  30. 30.56³ =
  31. 31.31³ =
  32. 32.33³ =
  33. 33.58³ =
  34. 34.41³ =
  35. 35.71³ =
  36. 36.12³ =
  37. 37.79³ =
  38. 38.61³ =
  39. 39.14³ =
  40. 40.38³ =

Answer key

  1. 103823
  2. 226981
  3. 59319
  4. 658503
  5. 970299
  6. 59319
  7. 357911
  8. 704969
  9. 250047
  10. 753571
  11. 314432
  12. 195112
  13. 357911
  14. 357911
  15. 74088
  16. 438976
  17. 79507
  18. 29791
  19. 328509
  20. 314432
  21. 10648
  22. 42875
  23. 753571
  24. 405224
  25. 5832
  26. 658503
  27. 50653
  28. 830584
  29. 85184
  30. 175616
  31. 29791
  32. 35937
  33. 195112
  34. 68921
  35. 357911
  36. 1728
  37. 493039
  38. 226981
  39. 2744
  40. 54872

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