Across
1
Part of a line with two endpoints
4
Number greater than zero
5
Math using letters for unknown values
6
The number representing nothing
7
Steepness of a line
8
Closed shape with straight sides
9
Part of a whole number
10
Single numeral from 0 to 9
Down
2
Power to which a number is raised
3
Proven mathematical statement
4
Result of multiplication
7
Collection of distinct elements