Across
1
Divisible by two
3
Result of raising a number to an exponent
4
Reference line in a graph
5
Line crossing from corner to corner
8
Symbol representing unknown value
9
Space between two intersecting lines
Down
2
Number with digits after a point
3
Closed shape with straight sides
6
Parts per hundred
7
Difference between highest and lowest values
8
Amount of space an object occupies
10
Part of a circle's circumference