Across
1
Total distance around a shape
6
Power to which a number is raised
7
Symbol representing unknown value
8
Result of raising a number to an exponent
Down
1
Lines that never intersect
2
Mathematical rule or equation
3
Mathematical statement of equality
4
Single numeral from 0 to 9
5
Part of a circle's circumference
9
Steepness of a line
10
Difference between highest and lowest values