Across
1
Line segment connecting two circle points
3
Split into equal parts
4
Math using letters for unknown values
7
Rectangular array of numbers
8
Comparison of two quantities
Down
2
Lines that never intersect
3
Number with digits after a point
5
Result of multiplication
6
Proven mathematical statement
9
Power to which a number is raised
10
Mathematical rule or equation
11
Exact correspondence on both sides