Across
1
Number that divides evenly into another
2
Middle value in an ordered dataset
3
Value that does not change
4
Single numeral from 0 to 9
5
Proven mathematical statement
Down
1
Part of a whole number
3
Line segment connecting two circle points
6
Mathematical rule or equation
7
Line touching circle at one point
8
Exact correspondence on both sides
9
Number less than zero