横向
1
Number less than zero
3
Middle value in an ordered dataset
5
Space between two intersecting lines
6
Total distance around a shape
7
Closed shape with straight sides
8
Number divisible only by 1 and itself
9
Number that divides evenly into another
13
Split into equal parts
纵向
2
Amount of space an object occupies
3
Repeated addition
4
Power to which a number is raised
5
Math using letters for unknown values
10
Reference line in a graph
11
Line crossing from corner to corner
12
Steepness of a line