Across
1
Part of a whole number
4
Part of a circle's circumference
5
Result of addition
6
Mathematical statement of equality
9
Visual representation of data
10
Number greater than zero
Down
2
Number divisible only by 1 and itself
3
Corner point of a polygon
4
Space between two intersecting lines
5
System of ordered marks for measuring
7
Three-sided polygon
8
The number representing nothing