Across
1
Steepness of a line
5
Number that divides evenly into another
7
Number less than zero
8
Number divisible only by 1 and itself
10
Distance from center to edge of circle
13
Single numeral from 0 to 9
Down
2
Closed shape with straight sides
3
Amount of space an object occupies
4
Result of multiplication
6
Mathematical rule or equation
9
Part of a circle's circumference
10
Difference between highest and lowest values
11
Corner point of a polygon
12
Collection of distinct elements