Across
1
Split into equal parts
4
Mathematical rule or equation
6
Parts per hundred
8
Proven mathematical statement
9
Longest side of a right triangle
13
Lines that never intersect
Down
2
System of ordered marks for measuring
3
Round shape with all points equidistant
5
Repeated addition
7
Amount of space an object occupies
10
Power to which a number is raised
11
Divisible by two
12
Middle value in an ordered dataset