Across
1
Result of multiplication
4
Number greater than zero
6
Steepness of a line
7
Split into equal parts
9
Line crossing from corner to corner
10
Number less than zero
Down
2
The number representing nothing
3
Power to which a number is raised
4
Result of raising a number to an exponent
5
Mathematical statement of equality
8
Result of addition
11
Sum divided by count