Across
1
Visual representation of data
4
Closed shape with straight sides
5
Number divisible only by 1 and itself
6
System of ordered marks for measuring
9
Single numeral from 0 to 9
10
Result of multiplication
Down
2
Three-sided polygon
3
Middle value in an ordered dataset
4
Parts per hundred
7
Reference line in a graph
8
Proven mathematical statement
11
Lines that never intersect
12
Number with digits after a point