Across
1
Number greater than zero
3
Result of addition
6
Middle value in an ordered dataset
7
System of ordered marks for measuring
8
Corner point of a polygon
9
Rectangle with four equal sides
10
Symbol representing unknown value
12
Split into equal parts
Down
2
Value that does not change
4
Result of multiplication
5
Mathematical statement of equality
11
Result of raising a number to an exponent
13
Reference line in a graph