Across
1
Sum divided by count
3
Corner point of a polygon
4
Parts per hundred
6
Proven mathematical statement
7
Mathematical rule or equation
8
Difference between highest and lowest values
9
Power to which a number is raised
Down
2
Mathematical statement of equality
3
Symbol representing unknown value
4
Result of raising a number to an exponent
5
Number with digits after a point
10
Collection of distinct elements