Across
1
Number divisible only by 1 and itself
3
Comparison of two quantities
7
Reference line in a graph
8
Corner point of a polygon
9
Exact correspondence on both sides
10
Closed shape with straight sides
11
System of ordered marks for measuring
Down
1
Result of raising a number to an exponent
2
Single numeral from 0 to 9
4
Number with digits after a point
5
Proven mathematical statement
6
Line touching circle at one point
12
Number greater than zero