This is an 8-day descriptive writing unit, complete with everything you'll need to teach your students the fun of descriptive writing. This can be adapted for grades 3-6. I've taught this very successfully to 4th and 5th graders. This is the perfect writing unit for the month of October and Hallo. Subjects: Creative Writing, Writing. Grades: 3 rd, 4 th, 5 th, 6 th. Types: Lesson Plans.