Across
1
Distance from center to edge of circle
5
Difference between highest and lowest values
6
Mathematical rule or equation
7
Power to which a number is raised
8
Result of multiplication
12
Result of addition
Down
2
Repeated addition
3
Steepness of a line
4
Round shape with all points equidistant
9
Value that does not change
10
Number divisible only by 1 and itself
11
Comparison of two quantities