It seems they sometimes try to put TMs of the same type together, but that’s obviously not true for psychic-type TMs. And the normal-type TMs always seem completely random. Please don’t question my curiosity.
Pleaselog inorregisterto add a comment.
Hope this helped :))Source-https://bulbapedia.bulbagarden.net/wiki/TM
I tried doing some research on this for you, but there doesn’t seem to be an exact reason.
Although I think it might be so that you can identify a given TM in your bag. In the original Gen 1 games, there doesn’t seem to be enough room for text to spell out the name of the move that the TM teaches, so they had to number it instead.The best image I could find for this isthis one