## Reflection: Developing a Conceptual Understanding A Deeper Look at Area - Section 2: Collaborative Problem Solving

It's funny how sometimes you teach something and realize that there ends up being a bigger learning outcome that the one(s) you had planned. That happened in this lesson. The big idea that came out of this lesson was that area problems can be approached by composition or by decomposition. These are general heuristics that are applicable to a wide range of problems besides the ones in this lesson. So now when I teach the lesson, I'm really intentional about calling attention to the general strategies we're using and how they might be useful with future problems instead of just focusing on how to do the problems in this lesson.

Not just content, but heuristics
Developing a Conceptual Understanding: Not just content, but heuristics

# A Deeper Look at Area

Unit 10: Areas of Plane Figures
Lesson 1 of 8

## Big Idea: Welcome to Area 51...In this lesson, students find out what the government doesn't want them to know about the areas of rectangles and triangles.

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90 minutes