I'm Learning Math By Playing Puzzle Work

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Across
  1. 3. What angle is 180 degrees?
  2. 6. What is the name of a quadrilateral with equal side lengths?
  3. 8. Shapes and numbers arranged in a certain order what is it called?
  4. 9. What is a fraction whose numerator is greater than its denominator?
  5. 10. What is the neutral element in addition?
  6. 12. What is the Points equidistant from a fixed point What is the ethical shape called?
Down
  1. 1. What operation is the adding of numbers on top of each other?
  2. 2. What is the name of a ray that divides an angle into two equal parts?
  3. 4. What is a number to the zero power?
  4. 5. two intersecting surfaces or two emanating from the same point what is it called?
  5. 7. What is a triangle with all sides of equal length
  6. 8. Numbers greater than 1 whose factors are only themselves and 1
  7. 11. Which angles are equal in measure?