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Build a structure: All bottles must be at least a knife-length apart at their widest parts

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.

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Build a structure: All bottles must be at least a knife-length apart at their widest parts

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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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