Across
1
Middle value in an ordered dataset
4
Result of raising a number to an exponent
6
Lines that never intersect
9
Value that does not change
11
Line touching circle at one point
12
Sum divided by count
Down
2
Result of addition
3
Number that divides evenly into another
5
Mathematical rule or equation
7
Steepness of a line
8
Mathematical statement of equality
10
Rectangle with four equal sides