Across
1
Value that does not change
6
Difference between highest and lowest values
7
Result of multiplication
9
Symbol representing unknown value
10
Line touching circle at one point
11
Result of raising a number to an exponent
12
Middle value in an ordered dataset
13
Mathematical rule or equation
Down
2
Number that divides evenly into another
3
Line crossing from corner to corner
4
Divisible by two
5
Power to which a number is raised
8
Proven mathematical statement