Across
1
Part of a whole number
7
Space between two intersecting lines
8
Number divisible only by 1 and itself
9
Mathematical rule or equation
11
Split into equal parts
Down
2
Difference between highest and lowest values
3
Line segment connecting two circle points
4
Number less than zero
5
Middle value in an ordered dataset
6
Math using letters for unknown values
10
Part of a line with two endpoints