Across
1
Number with digits after a point
4
Lines that never intersect
5
Comparison of two quantities
6
Mathematical rule or equation
8
Proven mathematical statement
9
Round shape with all points equidistant
Down
1
Line crossing from corner to corner
2
Reference line in a graph
3
Line touching circle at one point
6
Number that divides evenly into another
7
Number greater than zero