Across
1
Amount of space an object occupies
4
Parts per hundred
6
Comparison of two quantities
7
Result of addition
9
Part of a line with two endpoints
10
Round shape with all points equidistant
11
Value that does not change
12
Repeated addition
Down
1
Symbol representing unknown value
2
Number with digits after a point
3
System of ordered marks for measuring
5
The number representing nothing
8
Mathematical rule or equation
13
Number greater than zero
14
Part of a whole number