Across
1
Line crossing from corner to corner
4
Exact correspondence on both sides
5
Rectangular array of numbers
6
Number divisible only by 1 and itself
7
Longest side of a right triangle
Down
2
Sum divided by count
3
Line segment connecting two circle points
8
Value that does not change
9
Reference line in a graph
10
Comparison of two quantities
11
Power to which a number is raised
12
Distance from center to edge of circle
13
Proven mathematical statement
14
Single numeral from 0 to 9