Across
1
Amount of space an object occupies
5
Middle value in an ordered dataset
6
Lines that never intersect
7
Number with digits after a point
8
Number divisible only by 1 and itself
9
Rectangle with four equal sides
Down
2
Number less than zero
3
Mathematical rule or equation
4
Longest side of a right triangle
10
Repeated addition
11
Part of a line with two endpoints
12
Line crossing from corner to corner
13
Sum divided by count