I'm just about finished my conferences with my students about their persuasive letters. I am so pleased with how this task has gone. The key for persuasive writing is to use the most compelling reasons you can come up with. We emphasize that we avoid statements that might plant seeds in the readers mind that will cause them to dismiss our suggestion.
I have a seven-step formula to help students to be successful with this type of writing.
We've moved on to story-writing and we're off to a great start!