algebra vocab

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Across
  1. 4. the opposite of a fraction
  2. 5. the dimensions of a circle
  3. 6. a type of number in an algebraic expression
  4. 7. before a mixed number you have an______________
  5. 9. an acronym used to solve a problem
  6. 11. if you add up all of the lines to a shape you get this
Down
  1. 1. its not perimeter and its not area but its more 3d
  2. 2. a type of math problem
  3. 3. another word for "whole number"
  4. 8. used to find a square root
  5. 10. what is the 2d measure of a shape