Across
1
Proven mathematical statement
4
Part of a circle's circumference
6
Part of a whole number
10
The number representing nothing
11
Single numeral from 0 to 9
Down
2
Split into equal parts
3
System of ordered marks for measuring
5
Comparison of two quantities
7
Rectangular array of numbers
8
Middle value in an ordered dataset
9
Difference between highest and lowest values