Across
1
The number representing nothing
3
Sum divided by count
6
Part of a whole number
7
Corner point of a polygon
Down
2
Rectangle with four equal sides
4
Amount of space an object occupies
5
Divisible by two
6
Mathematical rule or equation
8
Mathematical statement of equality
9
Value that does not change
10
Part of a circle's circumference
11
Comparison of two quantities