Across
1
The number representing nothing
3
System of ordered marks for measuring
5
Part of a line with two endpoints
6
Result of raising a number to an exponent
7
Round shape with all points equidistant
8
Line segment connecting two circle points
Down
2
Power to which a number is raised
3
Result of addition
4
Part of a whole number
9
Middle value in an ordered dataset
10
Split into equal parts