Textbooks also have "examples" which are exercises with worked answers. If you cover up the solution and try to work through it on your own first, a worked exam

Textbooks also have "examples" which are exercises with worked answers. If you cover up the solution and try to work through it on your own first, a worked example is very instructive. It's just as instructive (and usually pretty embarrassing) to go back and work through the examples a day or two after you first read them. And then a day or two after that :)