
Dan Meyer teaches high school math in Santa Cruz County, CA. He is the founder and Chief Blogging Officer of dy/dan, a wholly owned subsidiary of dy/industries.

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This supplement comprises 2,144 slides and 1.94 GB — a lot of a/v content, in other words, some of which I did not author and do not have explicit permission to republish. Sorry about that. Every respect has been paid to Fair Use. Every effort has been made at attribution.
Textbook assignments and certain diagrams, for example, reference Discovering Geometry, a very good Geometry text. The opener miscellany, for another example, is lifted from both Snapple® caps and Vital Statistics, a reference text which is just as good as Snapple® but in a different way. If you are a copyright holder (or know one) and I missed your attribution, please let me know via dan at mrmeyer dot com and we will make that right.
The rest is yours to use under a Creative Commons attribution-noncommercial-sharealike license. This supplement is provided as is. Your suggestions are welcome and appreciated but, due to time constraints, this is not a wiki.