Across
1
Number greater than zero
4
Part of a circle's circumference
5
Single numeral from 0 to 9
6
Comparison of two quantities
7
Symbol representing unknown value
9
Rectangle with four equal sides
11
Closed shape with straight sides
Down
2
Value that does not change
3
Number with digits after a point
7
Amount of space an object occupies
8
Number divisible only by 1 and itself
10
Line touching circle at one point