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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 918 · 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. 1.66³ =
  2. 2.41³ =
  3. 3.83³ =
  4. 4.34³ =
  5. 5.81³ =
  6. 6.26³ =
  7. 7.89³ =
  8. 8.42³ =
  9. 9.91³ =
  10. 10.98³ =
  11. 11.18³ =
  12. 12.44³ =
  13. 13.13³ =
  14. 14.91³ =
  15. 15.12³ =
  16. 16.41³ =
  17. 17.24³ =
  18. 18.28³ =
  19. 19.91³ =
  20. 20.45³ =
  21. 21.45³ =
  22. 22.98³ =
  23. 23.28³ =
  24. 24.77³ =
  25. 25.62³ =
  26. 26.32³ =
  27. 27.82³ =
  28. 28.26³ =
  29. 29.63³ =
  30. 30.71³ =
  31. 31.83³ =
  32. 32.81³ =
  33. 33.34³ =
  34. 34.92³ =
  35. 35.83³ =
  36. 36.54³ =
  37. 37.54³ =
  38. 38.51³ =
  39. 39.37³ =
  40. 40.22³ =

Answer key

  1. 287496
  2. 68921
  3. 571787
  4. 39304
  5. 531441
  6. 17576
  7. 704969
  8. 74088
  9. 753571
  10. 941192
  11. 5832
  12. 85184
  13. 2197
  14. 753571
  15. 1728
  16. 68921
  17. 13824
  18. 21952
  19. 753571
  20. 91125
  21. 91125
  22. 941192
  23. 21952
  24. 456533
  25. 238328
  26. 32768
  27. 551368
  28. 17576
  29. 250047
  30. 357911
  31. 571787
  32. 531441
  33. 39304
  34. 778688
  35. 571787
  36. 157464
  37. 157464
  38. 132651
  39. 50653
  40. 10648

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