Across
1
Number less than zero
6
Middle value in an ordered dataset
10
Comparison of two quantities
12
Number divisible only by 1 and itself
Down
2
Part of a circle's circumference
3
Amount of space an object occupies
4
Collection of distinct elements
5
Space between two intersecting lines
7
Proven mathematical statement
8
Split into equal parts
9
Closed shape with straight sides
11
Line crossing from corner to corner