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This Triangle Inequality Task performance also includes:
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Not all triangles are created equal. A simple hands-on activity has learners investigate the side lengths of triangles. They use pipe cleaners to determine whether triangles of given side lengths can exist and then use the results to develop the triangle inequality theorem.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Use the task to introduce a unit on theorems involving triangles
Classroom Considerations
- Lesson requires pipe cleaners or other straight objects of various lengths
- No prior knowledge of the triangle inequality theorem is necessary
Pros
- Provides an alternate activity for advanced pupils
- Includes sample solutions
Cons
- None