Across
1
Number greater than zero
5
Number less than zero
6
Divisible by two
7
Amount of space an object occupies
8
Number that divides evenly into another
9
Rectangular array of numbers
10
Number with digits after a point
11
Three-sided polygon
Down
1
Closed shape with straight sides
2
System of ordered marks for measuring
3
Corner point of a polygon
4
Total distance around a shape
12
Longest side of a right triangle