Across
1
Number with digits after a point
2
Closed shape with straight sides
4
Split into equal parts
5
Symbol representing unknown value
6
Line touching circle at one point
10
Power to which a number is raised
12
Line segment connecting two circle points
Down
1
Single numeral from 0 to 9
2
Result of multiplication
3
U-shaped curve of a quadratic function
7
Part of a line with two endpoints
8
Math using letters for unknown values
9
Visual representation of data
11
Distance from center to edge of circle
13
Total distance around a shape