Math

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Across
  1. 3. the average
  2. 5. when letters represent numbers
  3. 8. part of a whole
  4. 9. as small as it will go
  5. 11. the space inside a shape
  6. 12. a number with a point
  7. 13. out of 100
  8. 14. all the way around a shape
  9. 15. angles that add to 180 degrees
  10. 16. all the way across the circle
  11. 18. when something can never happen
Down
  1. 1. the number used the most
  2. 2. the middle number
  3. 4. 3 sided shape
  4. 6. all the way around the circle
  5. 7. angles that add up to 90 degrees
  6. 10. 4 sided shape
  7. 17. 3.141592...