Across
1
Difference between highest and lowest values
4
Single numeral from 0 to 9
6
Visual representation of data
8
Mathematical statement of equality
9
Symbol representing unknown value
10
Power to which a number is raised
11
Amount of space an object occupies
12
Number less than zero
Down
2
Longest side of a right triangle
3
Parts per hundred
5
Round shape with all points equidistant
7
Proven mathematical statement