So the positive and negative numbers know where to start.
Left of the 0 figure on the number line.
The greatest number that is a lesser number when reflected in a vertical line is 0. When 0 is reflected across a vertical line, it remains 0, which is equal to itself and thus can be considered "lesser" in terms of its position on a number line. Any positive number, when reflected, would still be greater than 0.
the number 0
There is an infinite amount of numbers between 0 and 1 on the number line.
-1.35678 is one of infinitely many possible answers.
... equal to the number.
It is the number minus 0
The number line is scalable, meaning it can be any distance you want.
the number that is halfway between -4 and 0 is -2
0 1 2
0.7 is located on the number line between 0 and 1.
infinity (∞)