Across
1
Number divisible only by 1 and itself
2
Rectangular array of numbers
3
Visual representation of data
5
Mathematical rule or equation
6
Exact correspondence on both sides
7
Three-sided polygon
Down
1
Total distance around a shape
2
Middle value in an ordered dataset
4
The number representing nothing
8
Result of raising a number to an exponent
9
Repeated addition
10
Part of a circle's circumference