Across
1
Value that does not change
6
The number representing nothing
7
Collection of distinct elements
8
Three-sided polygon
11
Visual representation of data
12
Parts per hundred
Down
2
Mathematical statement of equality
3
Power to which a number is raised
4
Result of addition
5
Comparison of two quantities
9
Repeated addition
10
Divisible by two
13
Mathematical rule or equation
14
Math using letters for unknown values