Perimeter of Rectangles Lesson (Grades 5–6)Make teaching perimeter simple and effective with this ready-to-use lesson. This resource includes a complete slide deck, differentiated worksheets, and a clear I Do → We Do → You Do structure to support all learners. Students develop a strong understanding of perimeter as the distance around a shape, while building confidence through guided, independent, and challenge-based practice. What’s Included13-slide lesson (Google Slides)Guided Practice worksh