Across
1
Result of multiplication
2
System of ordered marks for measuring
5
Number divisible only by 1 and itself
6
Rectangular array of numbers
7
Visual representation of data
8
Line touching circle at one point
12
Collection of distinct elements
Down
2
Part of a line with two endpoints
3
Line segment connecting two circle points
4
Rectangle with four equal sides
9
Split into equal parts
10
The number representing nothing
11
Steepness of a line
