Across
1
Divisible by two
4
Repeated addition
5
Rectangular array of numbers
7
Part of a whole number
8
Comparison of two quantities
10
Result of addition
12
Total distance around a shape
Down
2
Difference between highest and lowest values
3
Exact correspondence on both sides
6
Line touching circle at one point
9
Distance from center to edge of circle
11
Line segment connecting two circle points
13
Space between two intersecting lines