Across
1
Parts per hundred
5
Lines that never intersect
8
Rectangular array of numbers
10
Closed shape with straight sides
Down
1
Number divisible only by 1 and itself
2
Symbol representing unknown value
3
Amount of space an object occupies
4
Single numeral from 0 to 9
6
Line segment connecting two circle points
7
Space between two intersecting lines
9
Difference between highest and lowest values