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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 263 · 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. 1.12³ =
  2. 2.46³ =
  3. 3.82³ =
  4. 4.59³ =
  5. 5.14³ =
  6. 6.46³ =
  7. 7.22³ =
  8. 8.42³ =
  9. 9.84³ =
  10. 10.18³ =
  11. 11.33³ =
  12. 12.47³ =
  13. 13.65³ =
  14. 14.58³ =
  15. 15.54³ =
  16. 16.82³ =
  17. 17.41³ =
  18. 18.95³ =
  19. 19.37³ =
  20. 20.45³ =
  21. 21.19³ =
  22. 22.63³ =
  23. 23.61³ =
  24. 24.42³ =
  25. 25.28³ =
  26. 26.21³ =
  27. 27.72³ =
  28. 28.31³ =
  29. 29.17³ =
  30. 30.25³ =
  31. 31.81³ =
  32. 32.31³ =
  33. 33.39³ =
  34. 34.74³ =
  35. 35.62³ =
  36. 36.56³ =
  37. 37.85³ =
  38. 38.89³ =
  39. 39.21³ =
  40. 40.31³ =

Answer key

  1. 1728
  2. 97336
  3. 551368
  4. 205379
  5. 2744
  6. 97336
  7. 10648
  8. 74088
  9. 592704
  10. 5832
  11. 35937
  12. 103823
  13. 274625
  14. 195112
  15. 157464
  16. 551368
  17. 68921
  18. 857375
  19. 50653
  20. 91125
  21. 6859
  22. 250047
  23. 226981
  24. 74088
  25. 21952
  26. 9261
  27. 373248
  28. 29791
  29. 4913
  30. 15625
  31. 531441
  32. 29791
  33. 59319
  34. 405224
  35. 238328
  36. 175616
  37. 614125
  38. 704969
  39. 9261
  40. 29791

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