"The ability to write logical arguments based on substantive claims, sound reasoning and relevant evidence is a cornerstone of the writing standards, with opinion writing - a basic form of argument - extending down into the earliest grades." (Source: Key Points in English Language Arts Common Core State Standards) Here are some resources to help your students improve their argumentative writing skills.
The Special Place of Argument (pdf)
The Common Core State Standards place special emphasis on writing logical arguments as a particularly important form of college- and career-ready writing.
Argument, Persuasion, or Propaganda? (pdf)
This handout from ReadWrite Think clarifies the goals, techniques, and methods used in the genres of argument, persuasion, and propaganda.
Logic in Argumentative Writing
This resource covers using logic within writing - logical vocabulary, logical fallacies, and other types of logos-based reasoning.
Teaching Argument Writing, Grades 6-12 (Book)
Supporting Claims with Relevant Evidence and Clear Reasoning - This book teaches us not only what an argument is, but how to teach it and why we should.
The 7 C's of Argumentation
The 7 C's (Converse, Convey, Consider, Concentrate, Concretize, Convince, Conclude) may help your students write effective argumentative essays.
Analyzing Famous Speeches as Arguments
Students will select a famous speech and write an essay that identifies and explains the rhetorical strategies that the author deliberately chose while crafting the text to make an effective argument.
Finding Common Ground
Using Logical, Audience-Specific Arguments
Students generate arguments from opposing points of view, discover areas of commonality, and construct arguments to persuade their opponents. (Grades 9-12)
Interactive Venn Diagram
Students can use this online tool to compare any two items, including varying positions on an argument.
So You Think You Can Argue
This lesson helps students discover there's a difference between "arguing" and making an argument in support of a position.