Across
1
Space between two intersecting lines
4
Distance from center to edge of circle
5
Part of a whole number
7
Single numeral from 0 to 9
8
Closed shape with straight sides
11
Amount of space an object occupies
12
Round shape with all points equidistant
15
Mathematical rule or equation
Down
2
System of ordered marks for measuring
3
Middle value in an ordered dataset
6
Line touching circle at one point
9
Visual representation of data
10
Number less than zero
13
Mathematical statement of equality
14
Difference between highest and lowest values