Across
1
Math using letters for unknown values
4
Amount of space an object occupies
5
Repeated addition
8
Split into equal parts
11
Space between two intersecting lines
12
Mathematical rule or equation
Down
2
U-shaped curve of a quadratic function
3
Visual representation of data
4
Symbol representing unknown value
6
Number less than zero
7
Result of addition
9
Number greater than zero
10
Proven mathematical statement