Across
1
Number greater than zero
4
Exact correspondence on both sides
5
Part of a line with two endpoints
6
Value that does not change
8
Space between two intersecting lines
10
Sum divided by count
Down
2
Mathematical statement of equality
3
Middle value in an ordered dataset
4
System of ordered marks for measuring
7
Amount of space an object occupies
9
Result of raising a number to an exponent
11
Difference between highest and lowest values