This 21 slide PowerPoint teaches the 4 author's purposes for writing: Persuade, Entertain, Inform, Explain. The slides explain which type of writing is mostly fact versus opinion and provides examples to practice with. There are several paragraphs for students to practice decicing the author's purpose on. There are also real world examples such as medicine labels, florist ads, and TV show titles. This PowerPoint hits the following Common Core standards for grades 3-5: CCRA.R.6, RI.3.6, RL.3.6, RL.4.6, RL.5.6.