Linked from
The 7 pages that link to Number line, each with the reason it gives.
Absolute valueRelated: Absolute value measures the distance between a number’s point and zero.
AdditionRelated: Moving right by an addend models addition on the number line.
MidpointRelated: On a number line, the midpoint has the average of the endpoints’ coordinates.
Negative numberRelated: Negative numbers occupy the line to the left of zero.
SubtractionRelated: Subtraction can be represented as moving left by the amount taken away.
0 (number)Related: Zero marks the origin separating positive numbers from negative numbers.