How do you use a number line?
A number line is a line which have negative digits on the left side and positive digits on the right side with the center and origin 0.
A number line have infinite number on each side. It can be helpful in addition and subtraction mainly involving negative numbers. But you can also do multiplication and division on the number line.
We are taking a very simple example here.
we will first go three steps from the origin
Then we come back two steps towards the origin
Hope this will help you to understand how to use a number line.
If you want more examples and examples of multiplication and division, you can see this website: