Across
1
Mathematical statement of equality
6
Part of a circle's circumference
7
Result of multiplication
8
Number divisible only by 1 and itself
9
Number that divides evenly into another
11
System of ordered marks for measuring
14
Lines that never intersect
Down
2
Difference between highest and lowest values
3
Sum divided by count
4
Value that does not change
5
Parts per hundred
10
Rectangular array of numbers
12
Repeated addition
13
Round shape with all points equidistant