Across
1
Mathematical rule or equation
4
Middle value in an ordered dataset
5
Reference line in a graph
8
Difference between highest and lowest values
10
Amount of space an object occupies
13
Math using letters for unknown values
Down
2
Corner point of a polygon
3
Line crossing from corner to corner
6
System of ordered marks for measuring
7
Part of a circle's circumference
9
Part of a line with two endpoints
11
Visual representation of data
12
Proven mathematical statement