Across
1
Part of a whole number
4
Exact correspondence on both sides
5
Power to which a number is raised
6
Parts per hundred
9
Number that divides evenly into another
10
Comparison of two quantities
11
Three-sided polygon
12
Round shape with all points equidistant
Down
2
Space between two intersecting lines
3
Number with digits after a point
6
Total distance around a shape
7
Mathematical rule or equation
8
Result of raising a number to an exponent