Across
1
Part of a whole number
4
Reference line in a graph
6
Part of a circle's circumference
7
Number with digits after a point
10
Repeated addition
11
Math using letters for unknown values
12
Total distance around a shape
Down
1
Mathematical rule or equation
2
Value that does not change
3
Rectangular array of numbers
5
Amount of space an object occupies
8
Rectangle with four equal sides
9
Number that divides evenly into another