Across
1
Result of multiplication
3
Reference line in a graph
5
Visual representation of data
6
Symbol representing unknown value
7
Closed shape with straight sides
8
Repeated addition
10
Divisible by two
11
Number with digits after a point
12
System of ordered marks for measuring
Down
1
Lines that never intersect
2
Total distance around a shape
4
Parts per hundred
9
Line crossing from corner to corner