Across
1
Number with digits after a point
2
Distance from center to edge of circle
6
Closed shape with straight sides
7
Mathematical rule or equation
8
Divisible by two
9
Symbol representing unknown value
11
Number greater than zero
13
Exact correspondence on both sides
Down
2
Comparison of two quantities
3
Amount of space an object occupies
4
Space between two intersecting lines
5
Result of multiplication
10
Number less than zero
12
Part of a line with two endpoints