Across
1
Proven mathematical statement
4
Result of raising a number to an exponent
5
Round shape with all points equidistant
7
Math using letters for unknown values
8
Split into equal parts
11
Divisible by two
Down
2
The number representing nothing
3
Comparison of two quantities
4
Total distance around a shape
6
Single numeral from 0 to 9
9
Number that divides evenly into another
10
Space between two intersecting lines
12
Three-sided polygon