Across
1
Steepness of a line
3
Result of raising a number to an exponent
5
Single numeral from 0 to 9
6
Result of addition
8
Number less than zero
9
Middle value in an ordered dataset
10
Sum divided by count
12
Line segment connecting two circle points
Down
2
Total distance around a shape
4
Number divisible only by 1 and itself
7
Number with digits after a point
11
Number that divides evenly into another
13
The number representing nothing
14
Value that does not change