Across
1
Closed shape with straight sides
3
System of ordered marks for measuring
5
Line touching circle at one point
6
Number greater than zero
7
Single numeral from 0 to 9
8
Space between two intersecting lines
11
Power to which a number is raised
Down
2
Part of a whole number
3
Part of a line with two endpoints
4
Number less than zero
7
Number with digits after a point
9
Visual representation of data
10
Proven mathematical statement