Maths Crossword

12345678
Across
  1. 2. : 1/2 + 1/2 = ?
  2. 3. : 50% of 200
  3. 6. : The most frequently occurring number
  4. 7. : The middle value in a set of numbers
  5. 8. : A letter or symbol that represents a number
Down
  1. 1. : The result of multiplying numbers
  2. 4. : A triangle with all sides equal
  3. 5. : A closed figure with four right angles