Across
1
Part of a whole number
5
Parts per hundred
7
Value that does not change
8
Single numeral from 0 to 9
9
Line segment connecting two circle points
11
Sum divided by count
Down
2
Line touching circle at one point
3
Proven mathematical statement
4
Part of a line with two endpoints
6
Result of multiplication
10
Math using letters for unknown values
12
Rectangle with four equal sides