CO.7.3. Writing and Composition
7.3.3. Editing writing for proper grammar, usage, mechanics, and clarity improves written work. Students can:
7.3.3.e. With some guidance and support from peers and adults, develop and strengthen writing as needed by planning, revising, editing, rewriting, or trying a new approach, focusing on how well purpose and audience have been addressed. (CCSS.W.7.5)
7.3.3.e.i. Use punctuation correctly (commas and parentheses to offset parenthetical elements; colons to introduce a list; and hyphens).