Across
1
Single numeral from 0 to 9
4
Distance from center to edge of circle
5
Longest side of a right triangle
6
Closed shape with straight sides
7
Total distance around a shape
9
Sum divided by count
10
Result of addition
Down
2
Middle value in an ordered dataset
3
Power to which a number is raised
8
Part of a line with two endpoints
11
Split into equal parts
12
Result of multiplication
13
Line touching circle at one point
14
Number with digits after a point
15
Mathematical statement of equality