Across
1
Parts per hundred
6
Amount of space an object occupies
7
Mathematical rule or equation
8
Sum divided by count
9
Number greater than zero
11
Mathematical statement of equality
12
Result of addition
Down
2
Part of a circle's circumference
3
Steepness of a line
4
Longest side of a right triangle
5
Proven mathematical statement
10
Math using letters for unknown values