Across
1
Middle value in an ordered dataset
4
Single numeral from 0 to 9
6
Power to which a number is raised
8
Lines that never intersect
11
Space between two intersecting lines
Down
1
Repeated addition
2
Symbol representing unknown value
3
Split into equal parts
5
System of ordered marks for measuring
7
Closed shape with straight sides
9
Round shape with all points equidistant
10
Corner point of a polygon