Across
1
Line crossing from corner to corner
4
Value that does not change
5
Comparison of two quantities
6
Distance from center to edge of circle
7
Line segment connecting two circle points
8
Divisible by two
11
U-shaped curve of a quadratic function
13
Mathematical statement of equality
Down
2
Number greater than zero
3
Result of raising a number to an exponent
4
Round shape with all points equidistant
9
Mathematical rule or equation
10
Sum divided by count
12
Part of a whole number