Low-Floor, High-Ceiling Problems

NOT BASEBALL

Promoting Mathematical Thinking with Low-Floor, High-Ceiling Problems

Kendall Jacobs and Ashley Johnson (absent) from Casper College

He gives quizzes instead of tests and they do in class problem solving. To avoid search engines and tutors the problem solving happens in class. So, it has the feel of a flipped classroom.

The problems are kind of interesting. You can guess and check most answers and then generalize, perhaps with technology. The students have to right their solutions.

Errata: He had a cute metaphor for us. He had a penny buried shallow, a nickel buried a little deeper, and a half dollar buried deeply in sand. He told consecutive people to “dig deeper”. He has some other videos about growth mindset and perseverance in his Powerpoint which is available on the proceedings web site.

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