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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 895 · 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. 1.84³ =
  2. 2.99³ =
  3. 3.76³ =
  4. 4.46³ =
  5. 5.64³ =
  6. 6.24³ =
  7. 7.33³ =
  8. 8.81³ =
  9. 9.86³ =
  10. 10.52³ =
  11. 11.17³ =
  12. 12.99³ =
  13. 13.43³ =
  14. 14.25³ =
  15. 15.75³ =
  16. 16.66³ =
  17. 17.71³ =
  18. 18.23³ =
  19. 19.33³ =
  20. 20.21³ =
  21. 21.71³ =
  22. 22.17³ =
  23. 23.44³ =
  24. 24.19³ =
  25. 25.52³ =
  26. 26.25³ =
  27. 27.37³ =
  28. 28.93³ =
  29. 29.22³ =
  30. 30.71³ =
  31. 31.22³ =
  32. 32.18³ =
  33. 33.49³ =
  34. 34.83³ =
  35. 35.31³ =
  36. 36.71³ =
  37. 37.18³ =
  38. 38.96³ =
  39. 39.51³ =
  40. 40.72³ =

Answer key

  1. 592704
  2. 970299
  3. 438976
  4. 97336
  5. 262144
  6. 13824
  7. 35937
  8. 531441
  9. 636056
  10. 140608
  11. 4913
  12. 970299
  13. 79507
  14. 15625
  15. 421875
  16. 287496
  17. 357911
  18. 12167
  19. 35937
  20. 9261
  21. 357911
  22. 4913
  23. 85184
  24. 6859
  25. 140608
  26. 15625
  27. 50653
  28. 804357
  29. 10648
  30. 357911
  31. 10648
  32. 5832
  33. 117649
  34. 571787
  35. 29791
  36. 357911
  37. 5832
  38. 884736
  39. 132651
  40. 373248

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