Across
1
Mathematical statement of equality
5
Collection of distinct elements
6
Exact correspondence on both sides
7
Result of raising a number to an exponent
9
Line touching circle at one point
10
Result of addition
11
Space between two intersecting lines
Down
2
Comparison of two quantities
3
Proven mathematical statement
4
Number with digits after a point
5
System of ordered marks for measuring
7
Closed shape with straight sides
8
Middle value in an ordered dataset