Across
1
Number with digits after a point
3
Divisible by two
5
Exact correspondence on both sides
8
Difference between highest and lowest values
9
Round shape with all points equidistant
10
Closed shape with straight sides
Down
2
Mathematical statement of equality
4
Part of a circle's circumference
5
Steepness of a line
6
Total distance around a shape
7
Proven mathematical statement
11
Reference line in a graph