Across
1
Number less than zero
6
Total distance around a shape
7
System of ordered marks for measuring
11
Comparison of two quantities
Down
2
Rectangular array of numbers
3
Parts per hundred
4
Middle value in an ordered dataset
5
Amount of space an object occupies
8
U-shaped curve of a quadratic function
9
Round shape with all points equidistant
10
Space between two intersecting lines