Infinity S and Different Sizes

i am sure you all know what a number line is, yes? What's nommal i we sor. Now will let me put a number line on the screen with which i shall demonstrate that infinity s and different sizes. We have three number lines. Let's take a look at the topmost number line, which goes in both directions. It's from zero, one to three, four othe to ten. And the arrows indicate that the number line goes on up to infinity in both directions so ten, 11, 12, et cetera. From zero to the left, it is zero minus one, minus two, all the wa to minus infinity. That is number linen