Across
1
Result of addition
3
Space between two intersecting lines
5
Line crossing from corner to corner
6
Sum divided by count
7
Parts per hundred
11
Number less than zero
12
The number representing nothing
Down
2
Amount of space an object occupies
4
Visual representation of data
7
U-shaped curve of a quadratic function
8
Divisible by two
9
Total distance around a shape
10
Repeated addition