Across
1
Part of a whole number
5
Repeated addition
6
Rectangle with four equal sides
8
Space between two intersecting lines
9
System of ordered marks for measuring
11
Amount of space an object occupies
Down
1
Mathematical rule or equation
2
Divisible by two
3
Visual representation of data
4
Mathematical statement of equality
7
Reference line in a graph
10
Number greater than zero
12
Symbol representing unknown value
13
Three-sided polygon