Across
1
Mathematical statement of equality
6
Three-sided polygon
7
Comparison of two quantities
8
Corner point of a polygon
9
Middle value in an ordered dataset
10
Part of a line with two endpoints
11
Steepness of a line
Down
2
Number less than zero
3
Number that divides evenly into another
4
Distance from center to edge of circle
5
Closed shape with straight sides
12
Rectangular array of numbers
13
Value that does not change
14
Mathematical rule or equation
15
Symbol representing unknown value