Across
1
Difference between highest and lowest values
4
Comparison of two quantities
5
Repeated addition
6
Number divisible only by 1 and itself
7
Collection of distinct elements
8
Divisible by two
Down
2
Sum divided by count
3
Total distance around a shape
7
Result of addition
9
Line segment connecting two circle points
10
Reference line in a graph
11
Line touching circle at one point