Math, Star Wars, and Lord of the Rings

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Across
  1. 2. What is the name of the former Jedi who becomes Darth Tyranus?
  2. 6. What is the top number of a fraction called?
  3. 7. What rare and extremely valuable metal is used to make Frodo's protective shirt?
  4. 8. What word describes two fractions that represent the same value even though they have different numbers?
  5. 10. What is the small raised number that tells how many times a base is multiplied by itself?
  6. 13. What ancient fiery creature does Gandalf battle in the Mines of Moria?
  7. 16. What is the name of Aragorn's sword that was reforged from the shards of Narsil?
  8. 17. What is the number multiplied by a variable in an algebraic expression?
  9. 18. What planet serves as the capital of the Galactic Republic during the prequel trilogy?
  10. 20. What type of crystal is used to power a Jedi's lightsaber?
  11. 21. What dark land is ruled by Sauron and contains Mount Doom?
  12. 22. What is a letter or symbol that represents an unknown or changing number in math?
  13. 23. What is the answer to a multiplication problem called?
  14. 24. What mathematical process reduces a fraction to its lowest terms?
Down
  1. 1. What human kingdom is defended during the Battle of Minas Tirith?
  2. 3. What is the answer to a division problem called?
  3. 4. What is the term for a number formed by switching the numerator and denominator of a nonzero fraction?
  4. 5. What magical seeing stone allows people to communicate across great distances?
  5. 9. What is the bottom number of a fraction called?
  6. 11. What ocean planet is home to the cloning facilities that produce the Republic's clone army?
  7. 12. What forest moon is home to the Ewoks in Return of the Jedi?
  8. 14. What mathematical term describes positive and negative whole numbers including zero?
  9. 15. What creature was once a Hobbit-like being named Smeagol before being corrupted by the One Ring?
  10. 16. What is the first name of Anakin Skywalker's former Padawan?
  11. 19. What cyborg general commands the Separatist droid armies during the Clone Wars?