Across
1
Comparison of two quantities
4
System of ordered marks for measuring
5
Mathematical statement of equality
8
Split into equal parts
11
Line segment connecting two circle points
12
Parts per hundred
13
Exact correspondence on both sides
Down
2
Middle value in an ordered dataset
3
Round shape with all points equidistant
4
Steepness of a line
6
The number representing nothing
7
Total distance around a shape
9
Reference line in a graph
10
Part of a whole number