Across
1
Divisible by two
4
Rectangular array of numbers
5
Part of a whole number
9
Collection of distinct elements
11
Difference between highest and lowest values
12
Symbol representing unknown value
13
Mathematical statement of equality
14
Power to which a number is raised
Down
2
Line touching circle at one point
3
Math using letters for unknown values
4
Repeated addition
6
Number greater than zero
7
Line segment connecting two circle points
8
Proven mathematical statement
10
Rectangle with four equal sides