Across
1
Number greater than zero
5
Sum divided by count
7
Parts per hundred
8
Lines that never intersect
9
Reference line in a graph
12
Part of a circle's circumference
Down
2
Round shape with all points equidistant
3
Line crossing from corner to corner
4
Rectangle with four equal sides
6
Rectangular array of numbers
10
Math using letters for unknown values
11
Comparison of two quantities