Across
1
Number divisible only by 1 and itself
3
Visual representation of data
4
Value that does not change
6
Math using letters for unknown values
10
Parts per hundred
Down
2
Longest side of a right triangle
5
Steepness of a line
7
Exact correspondence on both sides
8
Number with digits after a point
9
Mathematical statement of equality
11
Symbol representing unknown value
12
Round shape with all points equidistant