Across
1
Parts per hundred
5
Math using letters for unknown values
8
Total distance around a shape
9
Part of a circle's circumference
10
Closed shape with straight sides
Down
2
Line touching circle at one point
3
Value that does not change
4
Rectangular array of numbers
6
Rectangle with four equal sides
7
Number divisible only by 1 and itself
11
Mathematical statement of equality