Across
1
Number with digits after a point
2
Number that divides evenly into another
3
Reference line in a graph
6
Rectangular array of numbers
7
Number divisible only by 1 and itself
8
Repeated addition
10
Power to which a number is raised
12
Middle value in an ordered dataset
Down
2
Mathematical rule or equation
4
Symbol representing unknown value
5
Value that does not change
9
Round shape with all points equidistant
11
Result of multiplication