Across
1
Number divisible only by 1 and itself
3
Part of a line with two endpoints
6
The number representing nothing
7
Total distance around a shape
Down
2
Visual representation of data
3
Result of addition
4
Divisible by two
5
Rectangular array of numbers
8
Symbol representing unknown value
9
Space between two intersecting lines
10
Difference between highest and lowest values
11
Single numeral from 0 to 9