Across
1
Part of a whole number
4
Single numeral from 0 to 9
6
Mathematical statement of equality
11
Part of a circle's circumference
13
Sum divided by count
14
System of ordered marks for measuring
Down
2
Line touching circle at one point
3
Number greater than zero
5
Proven mathematical statement
7
Distance from center to edge of circle
8
Line segment connecting two circle points
9
Reference line in a graph
10
Space between two intersecting lines
12
U-shaped curve of a quadratic function