Across
1
Value that does not change
5
Round shape with all points equidistant
6
Divisible by two
8
Math using letters for unknown values
10
Distance from center to edge of circle
Down
2
Total distance around a shape
3
Difference between highest and lowest values
4
Number that divides evenly into another
6
Power to which a number is raised
7
Rectangular array of numbers
9
Longest side of a right triangle
11
Amount of space an object occupies