Across
1
Value that does not change
5
Part of a line with two endpoints
6
Divisible by two
8
Reference line in a graph
Down
1
Line segment connecting two circle points
2
Number greater than zero
3
Symbol representing unknown value
4
Parts per hundred
5
Steepness of a line
7
The number representing nothing
9
Longest side of a right triangle
10
Rectangular array of numbers