Across
1
Symbol representing unknown value
5
Part of a line with two endpoints
6
Split into equal parts
7
The number representing nothing
8
Reference line in a graph
Down
2
Parts per hundred
3
Comparison of two quantities
4
Three-sided polygon
Symbol representing unknown value
Part of a line with two endpoints
Split into equal parts
The number representing nothing
Reference line in a graph
Parts per hundred
Comparison of two quantities
Three-sided polygon