Across
1
Difference between highest and lowest values
5
Math using letters for unknown values
6
Symbol representing unknown value
8
Split into equal parts
9
Corner point of a polygon
10
Middle value in an ordered dataset
Down
2
Rectangular array of numbers
3
Space between two intersecting lines
4
Proven mathematical statement
5
Reference line in a graph
6
Amount of space an object occupies
7
Line crossing from corner to corner