Across
1
Mathematical statement of equality
5
Divisible by two
6
The number representing nothing
7
Proven mathematical statement
8
Part of a circle's circumference
12
Part of a whole number
Down
2
Steepness of a line
3
Visual representation of data
4
Parts per hundred
9
Closed shape with straight sides
10
Rectangular array of numbers
11
Math using letters for unknown values
12
Number that divides evenly into another
13
Number with digits after a point