Across
1
Difference between highest and lowest values
4
Proven mathematical statement
6
Split into equal parts
7
Rectangular array of numbers
10
Longest side of a right triangle
11
Rectangle with four equal sides
Down
2
Visual representation of data
3
Math using letters for unknown values
5
Repeated addition
8
Corner point of a polygon
9
Parts per hundred
12
Middle value in an ordered dataset