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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 293 · 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. 1.43³ =
  2. 2.46³ =
  3. 3.23³ =
  4. 4.98³ =
  5. 5.29³ =
  6. 6.83³ =
  7. 7.44³ =
  8. 8.89³ =
  9. 9.84³ =
  10. 10.23³ =
  11. 11.76³ =
  12. 12.17³ =
  13. 13.11³ =
  14. 14.12³ =
  15. 15.24³ =
  16. 16.35³ =
  17. 17.93³ =
  18. 18.78³ =
  19. 19.14³ =
  20. 20.47³ =
  21. 21.22³ =
  22. 22.82³ =
  23. 23.62³ =
  24. 24.55³ =
  25. 25.15³ =
  26. 26.95³ =
  27. 27.87³ =
  28. 28.61³ =
  29. 29.27³ =
  30. 30.65³ =
  31. 31.69³ =
  32. 32.88³ =
  33. 33.19³ =
  34. 34.28³ =
  35. 35.65³ =
  36. 36.24³ =
  37. 37.97³ =
  38. 38.12³ =
  39. 39.29³ =
  40. 40.94³ =

Answer key

  1. 79507
  2. 97336
  3. 12167
  4. 941192
  5. 24389
  6. 571787
  7. 85184
  8. 704969
  9. 592704
  10. 12167
  11. 438976
  12. 4913
  13. 1331
  14. 1728
  15. 13824
  16. 42875
  17. 804357
  18. 474552
  19. 2744
  20. 103823
  21. 10648
  22. 551368
  23. 238328
  24. 166375
  25. 3375
  26. 857375
  27. 658503
  28. 226981
  29. 19683
  30. 274625
  31. 328509
  32. 681472
  33. 6859
  34. 21952
  35. 274625
  36. 13824
  37. 912673
  38. 1728
  39. 24389
  40. 830584

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