Across
1
U-shaped curve of a quadratic function
4
Exact correspondence on both sides
5
Space between two intersecting lines
6
Longest side of a right triangle
11
Part of a whole number
13
Line touching circle at one point
Down
1
Number divisible only by 1 and itself
2
Repeated addition
3
Result of multiplication
7
Value that does not change
8
Number less than zero
9
Total distance around a shape
10
Power to which a number is raised
12
Line crossing from corner to corner
14
Proven mathematical statement