Across
1
Part of a whole number
5
Split into equal parts
6
Math using letters for unknown values
7
System of ordered marks for measuring
8
Number with digits after a point
12
Total distance around a shape
Down
1
Mathematical rule or equation
2
Reference line in a graph
3
Mathematical statement of equality
4
Middle value in an ordered dataset
9
Difference between highest and lowest values
10
Part of a line with two endpoints
11
U-shaped curve of a quadratic function