Across
1
Number that divides evenly into another
4
Symbol representing unknown value
5
Longest side of a right triangle
6
Total distance around a shape
7
Reference line in a graph
13
Line touching circle at one point
Down
2
Round shape with all points equidistant
3
Rectangle with four equal sides
6
Number greater than zero
8
Middle value in an ordered dataset
9
Part of a whole number
10
Math using letters for unknown values
11
Distance from center to edge of circle
12
Difference between highest and lowest values