Across
1
Middle value in an ordered dataset
4
Part of a line with two endpoints
5
Amount of space an object occupies
6
Part of a whole number
12
Mathematical statement of equality
13
Value that does not change
Down
2
Symbol representing unknown value
3
Closed shape with straight sides
7
Reference line in a graph
8
Line segment connecting two circle points
9
Number that divides evenly into another
10
System of ordered marks for measuring
11
Corner point of a polygon