Across
1
Parts per hundred
6
Number divisible only by 1 and itself
7
Number with digits after a point
8
Result of addition
9
Closed shape with straight sides
10
Longest side of a right triangle
11
Math using letters for unknown values
Down
2
Power to which a number is raised
3
Exact correspondence on both sides
4
Symbol representing unknown value
5
Line touching circle at one point