Across
1
Distance from center to edge of circle
5
Number divisible only by 1 and itself
6
Part of a line with two endpoints
7
Repeated addition
8
The number representing nothing
10
Visual representation of data
Down
2
Math using letters for unknown values
3
Rectangular array of numbers
4
Exact correspondence on both sides
5
Parts per hundred
6
Collection of distinct elements
9
Line crossing from corner to corner
11
Split into equal parts