Across
1
Result of multiplication
2
Middle value in an ordered dataset
4
Collection of distinct elements
7
Parts per hundred
8
The number representing nothing
10
Line crossing from corner to corner
12
Total distance around a shape
Down
2
Rectangular array of numbers
3
System of ordered marks for measuring
4
Result of addition
5
Space between two intersecting lines
6
Mathematical statement of equality
9
Power to which a number is raised
11
Difference between highest and lowest values