Across
1
Number with digits after a point
5
Parts per hundred
8
Longest side of a right triangle
9
Difference between highest and lowest values
12
Proven mathematical statement
13
The number representing nothing
Down
2
Total distance around a shape
3
Repeated addition
4
Lines that never intersect
6
U-shaped curve of a quadratic function
7
Line touching circle at one point
10
Visual representation of data
11
Result of multiplication
14
Steepness of a line