Across
1
Rectangular array of numbers
4
Value that does not change
5
Parts per hundred
9
Longest side of a right triangle
10
Single numeral from 0 to 9
11
Number divisible only by 1 and itself
12
Line segment connecting two circle points
Down
2
Distance from center to edge of circle
3
Middle value in an ordered dataset
6
Mathematical statement of equality
7
Amount of space an object occupies
8
Closed shape with straight sides
11
Total distance around a shape