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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 759 · 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. 2.37³ =
  3. 3.15³ =
  4. 4.99³ =
  5. 5.51³ =
  6. 6.57³ =
  7. 7.89³ =
  8. 8.23³ =
  9. 9.11³ =
  10. 10.31³ =
  11. 11.12³ =
  12. 12.81³ =
  13. 13.72³ =
  14. 14.58³ =
  15. 15.33³ =
  16. 16.68³ =
  17. 17.37³ =
  18. 18.16³ =
  19. 19.31³ =
  20. 20.29³ =
  21. 21.87³ =
  22. 22.94³ =
  23. 23.34³ =
  24. 24.85³ =
  25. 25.68³ =
  26. 26.64³ =
  27. 27.27³ =
  28. 28.66³ =
  29. 29.37³ =
  30. 30.14³ =
  31. 31.51³ =
  32. 32.43³ =
  33. 33.31³ =
  34. 34.91³ =
  35. 35.23³ =
  36. 36.26³ =
  37. 37.71³ =
  38. 38.36³ =
  39. 39.29³ =
  40. 40.63³ =

Answer key

  1. 287496
  2. 50653
  3. 3375
  4. 970299
  5. 132651
  6. 185193
  7. 704969
  8. 12167
  9. 1331
  10. 29791
  11. 1728
  12. 531441
  13. 373248
  14. 195112
  15. 35937
  16. 314432
  17. 50653
  18. 4096
  19. 29791
  20. 24389
  21. 658503
  22. 830584
  23. 39304
  24. 614125
  25. 314432
  26. 262144
  27. 19683
  28. 287496
  29. 50653
  30. 2744
  31. 132651
  32. 79507
  33. 29791
  34. 753571
  35. 12167
  36. 17576
  37. 357911
  38. 46656
  39. 24389
  40. 250047

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