Math Wiz Crossword Puzzle

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Across
  1. 2. To find value of a numerical or algebraic expression
  2. 3. A relation which every input value is paired with 1 output value
  3. 6. A quadrilateral with both pairs of opposite sides parallel
  4. 8. A pair of numbers that shows the position of a point on a coordinate grid
  5. 9. Working with cylinders or cones the bottom of a shape or object
  6. 11. Largest factor of 2 or more numbers
  7. 18. The counting numbers their opposites and 0
  8. 19. Any integer that can be divided exactly by 2
  9. 20. A polygon with 3 sides
Down
  1. 1. An angle greater than a right angle
  2. 4. Fraction whose numerator is greater than or equal to denominator
  3. 5. Numerator and denominator are the same the factor equals 1
  4. 7. Angle measures less than 90 degrees
  5. 10. A number represented by a whole number and a fraction
  6. 12. Representing ht same number or amount
  7. 13. Any integer that cannot be divided exactly by 2
  8. 14. The point (0,0) on a 2D coordinate grid
  9. 15. Part of a group or whole
  10. 16. Number that determines the position in one direction
  11. 17. Unit for measuring angles