横向
1
System of ordered marks for measuring
3
Parts per hundred
4
Number with digits after a point
5
Round shape with all points equidistant
10
Mathematical rule or equation
12
Math using letters for unknown values
13
Number less than zero
纵向
2
Rectangular array of numbers
3
Number divisible only by 1 and itself
6
Part of a whole number
7
Repeated addition
8
Mathematical statement of equality
9
Symbol representing unknown value
11
Amount of space an object occupies