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This How Much is in There? A Polygon Investigation performance also includes:
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Try to find the triangles in various polygons. An investigation has learners develop a formula for the sum of the measures of the interior angles of a polygon. They use manipulatives to partition each polygon into triangles, then generalize the method to develop a formula.
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CCSS:
Adaptable
Concepts
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Instructional Ideas
- Use the journal writing prompt as a homework assignment
Classroom Considerations
- Activity requires a variety of materials; see the resource for the list of suggested items
- Scholars should be familiar with the triangle sum theorem
Pros
- Provides a rubric for the lesson
- Includes examples of student work at various levels
Cons
- None