Across
1
Part of a line with two endpoints
6
Number divisible only by 1 and itself
7
Rectangular array of numbers
10
The number representing nothing
11
Amount of space an object occupies
12
Mathematical rule or equation
Down
2
Line crossing from corner to corner
3
Reference line in a graph
4
Power to which a number is raised
5
Divisible by two
8
Split into equal parts
9
Result of addition