Across
1
Amount of space an object occupies
3
Part of a whole number
4
Closed shape with straight sides
6
Reference line in a graph
9
Part of a circle's circumference
10
Total distance around a shape
12
Rectangular array of numbers
Down
2
Sum divided by count
5
Rectangle with four equal sides
7
Mathematical statement of equality
8
Value that does not change
11
Line crossing from corner to corner
13
Visual representation of data