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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 867 · 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. 1.18³ =
  2. 2.23³ =
  3. 3.86³ =
  4. 4.31³ =
  5. 5.62³ =
  6. 6.39³ =
  7. 7.41³ =
  8. 8.15³ =
  9. 9.44³ =
  10. 10.31³ =
  11. 11.31³ =
  12. 12.66³ =
  13. 13.15³ =
  14. 14.59³ =
  15. 15.41³ =
  16. 16.17³ =
  17. 17.76³ =
  18. 18.61³ =
  19. 19.73³ =
  20. 20.41³ =
  21. 21.56³ =
  22. 22.83³ =
  23. 23.31³ =
  24. 24.15³ =
  25. 25.14³ =
  26. 26.71³ =
  27. 27.93³ =
  28. 28.81³ =
  29. 29.69³ =
  30. 30.22³ =
  31. 31.86³ =
  32. 32.41³ =
  33. 33.88³ =
  34. 34.11³ =
  35. 35.28³ =
  36. 36.19³ =
  37. 37.64³ =
  38. 38.71³ =
  39. 39.95³ =
  40. 40.84³ =

Answer key

  1. 5832
  2. 12167
  3. 636056
  4. 29791
  5. 238328
  6. 59319
  7. 68921
  8. 3375
  9. 85184
  10. 29791
  11. 29791
  12. 287496
  13. 3375
  14. 205379
  15. 68921
  16. 4913
  17. 438976
  18. 226981
  19. 389017
  20. 68921
  21. 175616
  22. 571787
  23. 29791
  24. 3375
  25. 2744
  26. 357911
  27. 804357
  28. 531441
  29. 328509
  30. 10648
  31. 636056
  32. 68921
  33. 681472
  34. 1331
  35. 21952
  36. 6859
  37. 262144
  38. 357911
  39. 857375
  40. 592704

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