Across
1
Line crossing from corner to corner
3
Result of multiplication
5
Part of a line with two endpoints
6
Proven mathematical statement
7
Mathematical rule or equation
12
Symbol representing unknown value
Down
1
Number with digits after a point
2
Value that does not change
3
Parts per hundred
4
Closed shape with straight sides
8
Line segment connecting two circle points
9
Rectangular array of numbers
10
Split into equal parts
11
Rectangle with four equal sides