Sneaky Math

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Across
  1. 3. One of the four sections of the coordinate plane
  2. 7. The chance an event will occur
  3. 8. The steepness of a line
  4. 9. The longest side of a right triangle
  5. 10. A whole number, positive or negative
  6. 15. A comparison of two quantities
  7. 16. A number multiplied by a variable
Down
  1. 1. Lines in the same plane that never intersect
  2. 2. A mathematical sentence that compares expressions
  3. 4. To solve or simplify an expression
  4. 5. Shows how many times a number is multiplied by itself
  5. 6. A symbol used to represent a number
  6. 11. A mathematical statement that two expressions are equal
  7. 12. A relation where each input has exactly one output
  8. 13. A number that cannot be written as a fraction
  9. 14. A type of equation that forms a straight line