Across
1
System of ordered marks for measuring
3
Line crossing from corner to corner
4
Rectangle with four equal sides
6
Sum divided by count
8
Mathematical statement of equality
Down
1
Part of a line with two endpoints
2
Amount of space an object occupies
5
Visual representation of data
7
Reference line in a graph
9
U-shaped curve of a quadratic function
10
Repeated addition
11
Number with digits after a point
12
Space between two intersecting lines