Across
1
Rectangular array of numbers
3
Part of a circle's circumference
5
Parts per hundred
9
System of ordered marks for measuring
10
Lines that never intersect
11
Divisible by two
12
Number that divides evenly into another
Down
2
Difference between highest and lowest values
3
Math using letters for unknown values
4
Reference line in a graph
6
Middle value in an ordered dataset
7
Proven mathematical statement
8
Result of raising a number to an exponent