Across
1
Comparison of two quantities
3
Difference between highest and lowest values
5
Result of multiplication
7
Line touching circle at one point
9
Proven mathematical statement
10
Number with digits after a point
12
Part of a whole number
Down
2
Value that does not change
4
Single numeral from 0 to 9
6
Number that divides evenly into another
8
Part of a line with two endpoints
11
Closed shape with straight sides
13
U-shaped curve of a quadratic function