What should I draw or sketch to get better at drawing?

It really depends on what you want to get better at in particular. Drawing is an extremely broad medium. And even that statement doesn't do it justice. You can try out: Realism Abstract Cartoon/comic Anime/manga or any combination of the above. read more

The answer is easy, you should draw anything and everything you see, but the key is to do it often, you will only get better with practice so draw every chance you get, the more you draw the better you will get. read more

Draw upside down. Drawing upside down helps you unlearn drawing what you think you see. Instead, you draw what you actually see. The easiest way to draw upside down is if you are drawing from a photo: simply invert the photo and go from there. Alternatively, if you're working from a reference sketch, you can invert the reference sketch. read more

Sketch trial lines very lightly. Use a light pencil line, and erase the lines when the drawing is done. This way you can sketch in lots of light trial lines until you find the right one without messing up your paper. Alternatively, use a blue pencil which does not show up on scans and copies. Many artists use "col-erase" blue pencils. read more