This document discusses different categories of informational writing that are appropriate for elementary school students. It provides descriptions and examples for 8 categories that increase in complexity. The earliest categories focus on simple labeling (category 1) and short statements (category 2). Later categories involve more complex structures like fact lists (category 3), couplets (category 4), and multi-sentence paragraphs (categories 7-8). Providing examples for each category, the document outlines a progression in informational writing skills suitable for elementary grades.