Across
1
Power to which a number is raised
4
Line segment connecting two circle points
8
Math using letters for unknown values
9
Divisible by two
10
Number divisible only by 1 and itself
11
U-shaped curve of a quadratic function
Down
2
Closed shape with straight sides
3
System of ordered marks for measuring
5
Part of a whole number
6
Number less than zero
7
Split into equal parts