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Balancing Acts: Building a Stable Structural Model

Discover the art of constructing a stable structure with specific guidelines - spacing bottles, positioning a water cup, and ensuring stability - in this interactive session led by Ken Indeck. Explore the concept that inappropriate models can mislead, and that all models have limitations. Challenge the notion that all available resources must be utilized by presenting scenarios where focusing on fundamental concepts before advanced tools yields deeper understanding. Join us for an engaging experience in practical application of math concepts.

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Balancing Acts: Building a Stable Structural Model

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  1. Build a structure: • All bottles must be at least a knife-length apart at their widest parts • The cup of water must be at least 4 inches above the table • The cup of water must be at least 2 inches from the bottles • The structure must be stable for at least 1 minute

  2. What’s the big idea? Idea #1: Inappropriate models are misleading

  3. What’s the big idea? Corollary #1: All models have limitations

  4. What’s the big idea? Idea #2: It is not necessary to use all of the available resources just because they are there

  5. Imagine… Spending 2 months on the basics of algebra and then letting students use CAS software and/or spreadsheets to solve problems

  6. Imagine… Spending 10 weeks on geometry basics and then putting students in a dynamic geometry environment so they can explore

  7. Ta da!

  8. Time’s Up! • About your speaker: • Name: Ken Indeck • Company: Wheeling High School • Tel: 847-718-7094 • Email: ken.indeck@d214.org • Social Media: none • Quick bio: Math and science teacher since 1980. Interests include professional development, assessment, and curriculum development/implementation.

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