March 19 in Palo Alto

Once again, I will be presenting function diagrams to a math circle for teachers, this time for the American Institute of Mathematics Circle for Teachers. This will happen on March 19, at 340 Portage Ave. Palo Alto, from 5:00 to 8:00 p.m. There is no charge, and in fact a free dinner is provided.

Here is what I hope to cover, at most. Most likely, I will not emphasize the upper-level topics, because of time, and because the attendees are mostly middle school teachers.

Function Diagrams: A Visual Tool for Secondary Math

Function diagrams use parallel x and y axes. They complement Cartesian graphs and offer an alternate approach to concepts in basic algebra: operations with signed numbers; linear functions; solving inequalities; solving systems of linear equations. They are also helpful in precalculus and calculus: definition of functions; domain and range; rate of change; composition; identity and inverse functions; iterating linear functions; sequences; the chain rule. Add this tool to your repertoire!

I’d love to see you there, but if you can’t make it, there’s plenty about this on my Web site!

–Henri

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