Across
1
Collection of distinct elements
3
Number that divides evenly into another
6
Line crossing from corner to corner
9
Mathematical rule or equation
11
Number with digits after a point
12
Line segment connecting two circle points
Down
1
Steepness of a line
2
Symbol representing unknown value
4
Corner point of a polygon
5
Visual representation of data
7
Mathematical statement of equality
8
Single numeral from 0 to 9
10
Part of a whole number