Across
1
Single numeral from 0 to 9
4
Line crossing from corner to corner
5
Power to which a number is raised
6
Amount of space an object occupies
8
Middle value in an ordered dataset
10
Space between two intersecting lines
13
Parts per hundred
Down
1
Number with digits after a point
2
Exact correspondence on both sides
3
Math using letters for unknown values
7
Round shape with all points equidistant
9
Proven mathematical statement
11
Divisible by two
12
Mathematical statement of equality