Across
1
Repeated addition
4
Number that divides evenly into another
7
Single numeral from 0 to 9
8
Number greater than zero
9
Line touching circle at one point
Down
2
Mathematical statement of equality
3
Number less than zero
5
Part of a circle's circumference
6
Steepness of a line
8
Number divisible only by 1 and itself
10
Distance from center to edge of circle