Common Core Standards
Writing, Kindergarten
Writing W.K.7
Participate in shared research and writing projects (e.g., explore a number of books by a favorite author and express opinions about them).
Working together isn't just for gym class freeze tag. Kindergartners haven't yet turned on group work, so make sure each student understands their "job" in the context of the group, and that they're able to contribute and listen to others' ideas.