Across
1
Number less than zero
5
Closed shape with straight sides
6
Corner point of a polygon
8
Middle value in an ordered dataset
9
Result of multiplication
11
Total distance around a shape
Down
2
Result of raising a number to an exponent
3
Part of a line with two endpoints
4
The number representing nothing
7
Split into equal parts
10
Amount of space an object occupies
12
Comparison of two quantities
13
Parts per hundred