Across
1
Line segment connecting two circle points
3
Split into equal parts
4
Mathematical statement of equality
7
Space between two intersecting lines
9
Line touching circle at one point
Down
2
Number divisible only by 1 and itself
3
Number with digits after a point
5
Single numeral from 0 to 9
6
Result of raising a number to an exponent
8
Math using letters for unknown values
10
Divisible by two
11
Exact correspondence on both sides