Across
1
Power to which a number is raised
2
Amount of space an object occupies
5
Number with digits after a point
6
Mathematical rule or equation
7
Sum divided by count
Down
2
Symbol representing unknown value
3
Line touching circle at one point
4
Number divisible only by 1 and itself
6
Part of a whole number
8
Part of a circle's circumference
9
Rectangle with four equal sides
10
Difference between highest and lowest values
11
Value that does not change