Across
1
Value that does not change
4
Steepness of a line
5
Number with digits after a point
6
Math using letters for unknown values
8
Result of multiplication
10
Distance from center to edge of circle
Down
1
Round shape with all points equidistant
2
Corner point of a polygon
3
Divisible by two
7
Number that divides evenly into another
9
System of ordered marks for measuring
11
Rectangular array of numbers
12
Collection of distinct elements