Across
1
Closed shape with straight sides
4
Steepness of a line
5
Middle value in an ordered dataset
6
Comparison of two quantities
7
Difference between highest and lowest values
8
Part of a circle's circumference
9
Reference line in a graph
Down
1
Number greater than zero
2
The number representing nothing
3
Part of a whole number
10
Line crossing from corner to corner