Harder Crossword for Math

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Across
  1. 2. A rectangular array of numbers or variables.
  2. 3. A reference line in a graph, like x or y.
  3. 5. A number with a point to separate whole and fractional parts.
  4. 6. The number that appears most frequently in a data set.
  5. 8. Lines that never intersect.
  6. 10. A diagram showing the relation between variables.
  7. 11. The result of adding numbers.
  8. 12. A number with only two factors, 1 and itself.
  9. 14. A three-sided polygon.
  10. 15. The amount of space inside a three-dimensional object.
  11. 17. A part per hundred, often represented by %.
  12. 19. The steepness of a line on a graph.
  13. 22. A mathematical sentence that compares expressions.
  14. 23. The space between two intersecting lines, measured in degrees.
  15. 25. The ratio of a circle’s circumference to its diameter, approximately 3.14159.
  16. 27. A number that divides another without a remainder.
  17. 31. A number with more than two factors.
  18. 32. A symbol for a number we don't know yet.
  19. 34. Basic branch of mathematics involving variables.
  20. 35. The longest side of a right triangle.
  21. 37. The distance around the edge of a circle.
  22. 40. A four-sided polygon with opposite sides equal.
  23. 42. The result of multiplying numbers.
  24. 43. A part of a whole, written with a numerator and denominator.
  25. 44. The value that, when multiplied by itself, gives the original number.
  26. 45. One of the four sections of a coordinate plane.
  27. 46. A shape with three or more straight sides.
  28. 47. The average of a set of numbers.
Down
  1. 1. The highest or lowest point of a parabola.
  2. 4. A rectangle with all sides equal.
  3. 7. A line that passes through the center of a circle, touching both sides.
  4. 9. The distance a number is from zero on a number line.
  5. 13. The difference between the highest and lowest numbers.
  6. 16. Lines that intersect at 90 degrees.
  7. 17. The shape of the graph of a quadratic function.
  8. 18. The distance from the center of a circle to any point on it.
  9. 20. A statement that can be proven based on accepted truths.
  10. 21. The result of subtracting numbers.
  11. 24. The result of dividing one number by another.
  12. 25. The likelihood of an event occurring.
  13. 26. Whole numbers and their opposites.
  14. 28. A round shape with all points equidistant from the center.
  15. 29. A type of relationship that forms a straight line.
  16. 30. The middle value in a list of numbers.
  17. 33. A set of values that show an exact position on a graph.
  18. 34. The amount of space inside a shape.
  19. 36. The distance around a shape.
  20. 38. A relation where each input has one output.
  21. 39. A number that shows how many times a base is multiplied by itself.
  22. 41. A mathematical statement that two expressions are equal.