by Dr. Tracy Gross
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When you structure your course around big rocks (ideas), you help students develop what cognitive scientists call "expert-like mental models" of your subject matter.Like physical big rocks that anchor a landscape, big ideas provide the essential framework that supports all other learning. Research in cognitive science strongly supports this approach - Bransford et al. (2000) demonstrate in "How People Learn" that experts organize their knowledge around fundamental principles or "big ideas" that guide their thinking. This finding is further supported by the National Research Council (2000), which found that experts connect and organize their knowledge around key concepts.
Providing the Big Picture
Seeing How Pieces Fit Together Students grasp how individual concepts interconnect to form a comprehensive understanding of the subject matter. Developing Expert Mental Models Learners build sophisticated frameworks for organizing and connecting course concepts. Achieving Deeper Learning A holistic understanding leads to more meaningful and lasting learning outcomes.
How to Find Big Rocks
Reflect Think about what matters most in your course. What do you want students to remember years later? Focus on key skills, important ideas, and life lessons. Brainstorm Write down your main ideas. Look at your course goals. Talk to other teachers. Think about what your field values most. Look for ideas that connect different topics and that most people can understand. Prioritize Pick the ideas that best fit your goals. Choose concepts students will use often and that will help them succeed. Focus on ideas they can use in other classes and in life. Refine Make your Big Rocks easy to understand and remember. Each one should guide your teaching but be broad enough to cover many lessons. Ask others if your ideas make sense.