Across
1
Visual representation of data
4
Three-sided polygon
5
Number divisible only by 1 and itself
7
Power to which a number is raised
8
Steepness of a line
11
Rectangular array of numbers
Down
2
Single numeral from 0 to 9
3
Total distance around a shape
6
Math using letters for unknown values
8
Result of addition
9
Middle value in an ordered dataset
10
Result of multiplication