Across
1
Parts per hundred
5
The number representing nothing
6
Number divisible only by 1 and itself
8
Visual representation of data
9
Part of a line with two endpoints
10
Difference between highest and lowest values
Down
1
Closed shape with straight sides
2
Mathematical statement of equality
3
System of ordered marks for measuring
4
Single numeral from 0 to 9
7
Proven mathematical statement
11
Rectangular array of numbers