Which of the following statements about the number line is true?
a. number lines can't you compare numerals.
b. number lines end with the number 10.
c. numbers get larger as you move to the left on the number line.
d. numbers get smaller as you move to the left on the number line.

d. Numbers get smaller as you move to the left on the number line.

And conversely when the number moves along to the right it increases by interval of typically 1. Why does this happen? Because this phenomenon is the illustration of how number are ordered and hierarchical. Integers can better explain the numbers beyond 0. The existence of the negative numbers which is obviously less in value than the real numbers 1 , 2 , 3 and so on.