Across
1
Closed shape with straight sides
5
Reference line in a graph
6
Sum divided by count
7
Distance from center to edge of circle
8
Result of multiplication
9
Value that does not change
Down
1
Number greater than zero
2
Divisible by two
3
Comparison of two quantities
4
Longest side of a right triangle
10
Part of a whole number
11
Mathematical rule or equation
12
Line crossing from corner to corner
13
U-shaped curve of a quadratic function