A brief, one page explanation of stereotyping. This is a simple explanation that includes examples to which students can relate. This note page is a great introduction to the use of rhetorical fallacies in persuasion and advertising.
See the accompanying note page entitled Stereotyping - rhetorical fallacy.
I also have worksheets posted on ad hominem attacks and categorical claims, as part of my unit on using rhetorical fallacies in persuasive writing.