Printable PDF CER Sheet, Example, and Lesson Plan. "CER" stands for Claim, Evidence, Reasoning. Topic is TEXT vs. TALK. Students will search for evidence within articles for whether talking is a better means of communication than texting or not. The file includes information on where to find sources for leveled articles for students to read in order to find the information, as well as sources to use as examples when modeling the process. CER promotes critical thinking. You may also find my free product "CER Rubric" at http://www.teacherspayteachers.com/Product/CER-Rubric-720652 Feeback much appreciated.