Across
1
Three-sided polygon
6
Power to which a number is raised
7
Result of addition
9
Symbol representing unknown value
12
Comparison of two quantities
Down
2
Mathematical statement of equality
3
Divisible by two
4
Number divisible only by 1 and itself
5
Proven mathematical statement
8
Number with digits after a point
10
Visual representation of data
11
Repeated addition
13
Value that does not change