Across
1
Difference between highest and lowest values
3
Mathematical rule or equation
7
Rectangle with four equal sides
8
Part of a circle's circumference
9
Line crossing from corner to corner
10
Comparison of two quantities
11
Distance from center to edge of circle
Down
2
Round shape with all points equidistant
4
Middle value in an ordered dataset
5
Number divisible only by 1 and itself
6
Number greater than zero