Across
1
Part of a line with two endpoints
5
Number that divides evenly into another
6
Symbol representing unknown value
7
Power to which a number is raised
8
Rectangular array of numbers
9
Sum divided by count
10
Proven mathematical statement
11
Parts per hundred
Down
2
Longest side of a right triangle
3
Repeated addition
4
Line crossing from corner to corner
12
Visual representation of data