Across
1
Parts per hundred
5
Reference line in a graph
7
Power to which a number is raised
11
Space between two intersecting lines
13
Repeated addition
Down
2
Mathematical rule or equation
3
Steepness of a line
4
Result of multiplication
6
Difference between highest and lowest values
8
Number that divides evenly into another
9
Collection of distinct elements
10
Divisible by two
12
System of ordered marks for measuring