Across
1
U-shaped curve of a quadratic function
4
Single numeral from 0 to 9
6
Amount of space an object occupies
8
Total distance around a shape
9
Middle value in an ordered dataset
10
Reference line in a graph
11
Parts per hundred
Down
1
Number greater than zero
2
Proven mathematical statement
3
Rectangle with four equal sides
5
Number that divides evenly into another
7
Repeated addition