This document discusses mixed-ability classrooms and strategies for teaching them. It defines a mixed-ability classroom as one with students having different language levels, learning styles, backgrounds, and motivations. Some strategies presented include catering to different learning styles through a variety of activities, using open-ended questions and assignments, and having fast finishers help other students. The document also notes some challenges teachers face with mixed-ability classes, such as keeping all students engaged and addressing different paces of learning.