Across
1
Number divisible only by 1 and itself
4
Space between two intersecting lines
5
Mathematical rule or equation
6
Number less than zero
9
Number greater than zero
12
Amount of space an object occupies
14
Three-sided polygon
Down
1
Total distance around a shape
2
Split into equal parts
3
Longest side of a right triangle
7
Math using letters for unknown values
8
Comparison of two quantities
10
Single numeral from 0 to 9
11
Round shape with all points equidistant
13
Result of multiplication