Across
1
Middle value in an ordered dataset
2
Sum divided by count
4
Number divisible only by 1 and itself
7
Divisible by two
Down
1
Repeated addition
2
Space between two intersecting lines
3
Reference line in a graph
4
Result of raising a number to an exponent
5
Line touching circle at one point
6
Corner point of a polygon
8
Number that divides evenly into another
9
Total distance around a shape