Across
1
Part of a whole number
4
Sum divided by count
6
Line crossing from corner to corner
7
Visual representation of data
13
Collection of distinct elements
Down
2
U-shaped curve of a quadratic function
3
Round shape with all points equidistant
5
The number representing nothing
8
Parts per hundred
9
Math using letters for unknown values
10
Amount of space an object occupies
11
Line segment connecting two circle points
12
Line touching circle at one point