October 2015

A personal note: My wife and I just moved from Texas back to Saratoga County, New York where I spend 29 years teaching. My seven and one-half years in Texas were a lot of fun. I had the opportunity to travel all over the USA from Boston to Honolulu, working with calculus teachers, which I really enjoyed. But we just missed the snow and taxes, so here we are. We spent the last six weeks or so traveling the country. That was not quite our plan, but our new house was still under construction and not ready. Today, we moved in; in a few days our furniture will arrive from Texas – we hope.

I guess this will make me re-semi-retired (if that’s a word). I’ll still be writing and doing workshops and whatever else comes along.


He is the list of topic that may be of interest in October. Most were written in the first year (2012) when I was trying to go through the curriculum more-or-less in order staying a little ahead of where I figured you would be. So they should be useful now. Others were written later and are included since they fit in the order. The four on the main page under this one are the most popular from October in the last year.  “Reading the Derivative’s Graph” remains the all-time high with over 3200 hits.

October 1, 2012, The Mean Value Theorem II

August 18, 2014 Darboux’s Theorem

October 3, 2012 Derivative Practice – Numbers

October 5, 2012 Derivative Practice – Graphs

October 8, 2012 Related Rate Problems I

October 10, 2012 Related Rate Problems II

October 12, 2012 Why Radians?

October 15, 2012 Concepts Related to Graphs

October 17, 2012 The Shapes of a Graph

October 19, 2012 Joining the Pieces of a Graph

October 22, 2012 Extreme Values

October 23, 2104 The Marble and the Vase An extreme value problem.

May 13, 2015 Soda Cans or why cans are not made in the “best” shape.

October 24, 2012 Concavity

October 26, 2012 Reading the Derivative’s Graph

October 29, 2012 Real “Real Life” Graphing

October 31, 2012 Far Out

 

 

 

 

 

 

 

 

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