MATHS CROSSWORD PUZZLE

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Across
  1. 2. Archimedes constant
  2. 5. The word mathematics come from ancient Greek
  3. 7. Father of Geometry
  4. 10. An algebric expression made up of one term
  5. 11. The square root of two is called __________ constant
Down
  1. 1. A Sequence beginning with 0 and 1 whereby each number is the sum of the two numbers preceding it
  2. 3. The first female mathematician
  3. 4. Patron saint of mathematicians
  4. 6. The only number that can't be represented in roman numerals
  5. 8. The only number spelled with the same number of letters as itself
  6. 9. The magic number
  7. 12. The smallest perfect number