Across
1
Reference line in a graph
2
Line crossing from corner to corner
4
Number divisible only by 1 and itself
7
Number greater than zero
8
Parts per hundred
10
Part of a line with two endpoints
Down
2
Number with digits after a point
3
Result of addition
5
Divisible by two
6
Difference between highest and lowest values
9
System of ordered marks for measuring