Across
1
Middle value in an ordered dataset
4
System of ordered marks for measuring
5
Number less than zero
6
Round shape with all points equidistant
7
U-shaped curve of a quadratic function
8
Visual representation of data
9
Rectangular array of numbers
Down
1
Repeated addition
2
Number that divides evenly into another
3
Longest side of a right triangle
10
Math using letters for unknown values