Across
1
Part of a whole number
5
Power to which a number is raised
7
Exact correspondence on both sides
8
Proven mathematical statement
10
Result of multiplication
Down
2
Part of a circle's circumference
3
Longest side of a right triangle
4
Amount of space an object occupies
6
Single numeral from 0 to 9
9
Round shape with all points equidistant
10
Total distance around a shape
11
Line crossing from corner to corner
12
Difference between highest and lowest values