Across
1
Sum divided by count
6
Comparison of two quantities
7
Three-sided polygon
8
Total distance around a shape
9
Result of multiplication
10
Closed shape with straight sides
Down
2
Corner point of a polygon
3
Reference line in a graph
4
Longest side of a right triangle
5
Split into equal parts
11
Mathematical rule or equation
12
System of ordered marks for measuring
13
Space between two intersecting lines
14
Part of a whole number
15
Rectangular array of numbers