Across
1
Line touching circle at one point
4
Distance from center to edge of circle
5
Symbol representing unknown value
6
Split into equal parts
8
Number greater than zero
9
Math using letters for unknown values
10
Rectangle with four equal sides
Down
2
Comparison of two quantities
3
System of ordered marks for measuring
6
Number with digits after a point
7
Parts per hundred
8
Number divisible only by 1 and itself
9
Reference line in a graph
11
Part of a line with two endpoints