Across
1
Result of multiplication
4
Difference between highest and lowest values
5
Rectangle with four equal sides
6
Math using letters for unknown values
7
U-shaped curve of a quadratic function
9
Part of a whole number
10
Amount of space an object occupies
12
Value that does not change
Down
1
Lines that never intersect
2
Distance from center to edge of circle
3
Total distance around a shape
8
Line touching circle at one point
11
Part of a circle's circumference