The document discusses planning learning activities in Stage 3 of the Understanding by Design framework. It introduces the WHERETO method for designing lesson plans, which considers where the content is headed, how to engage students, opportunities for students to explore and experience the content, revising and reflecting on learning, evaluating student work and progress, tailoring instruction to individual students, and organizing content for optimal effectiveness. It also discusses using the 6 facets of understanding to brainstorm learning activities and considering challenge-based or design-based learning approaches. Finally, it contrasts coverage versus uncoverage of content, with the goal of uncovering true understanding rather than superficial coverage of material.