Across
1
Value that does not change
4
Divisible by two
5
Sum divided by count
6
Part of a whole number
8
Steepness of a line
11
Repeated addition
13
Lines that never intersect
Down
2
Visual representation of data
3
Longest side of a right triangle
6
Number that divides evenly into another
7
Three-sided polygon
9
Mathematical rule or equation
10
Number with digits after a point
12
Line touching circle at one point