All positive numbers have an opposite negative number and every negative number, of course, has an opposite positive number. If we could show the examples from above as positive and negative numbers, it would look like this:
392 
and 
392 

25
million 
and 
25
million 

7 
and 
7 

35 
and 
35 

All of these are examples of opposite numbers. We will talk about thes further on, but it it is a good idea that you are aware of them even now. This is what it looks like on a number line. The lines connect the opposite numbers.
