Monthly Archives: June 2012

A Tricky Domain Problem and Wolfram Alpha

What is the domain of the function ?  The answer is because if  or a divide by zero situation occurs.  One is sorely tempted to simplify to  which would be incorrect as it stands since now  needs to be explicitly … Continue reading

Posted in Curriculum, Math Explorations | 1 Comment

Ulysses S. Grant Could Have Been a Mathematician

I have a Gary Larson cartoon cut from a newspaper on my door.  It reads, “Unbeknownst to most historians, Einstein started down the road to professional basketball before an ankle injury diverted him into science” and has a dynamic image … Continue reading

Posted in Cool Ideas | Leave a comment

Lean Start-Up Methodology – What Can Education Learn?

I just finished reading an article about Eric Reis  who is the guru of the lean start-up method for developing a business.  The basic idea is to build a baseline business strategy, test it immediately in the marketplace and then … Continue reading

Posted in Teaching | Leave a comment

Remembering Students’ Names

At the golf course last weekend a tall, clear-eyed young man walked up and shook my hand.  It was an old student of mine – not that old, just a couple of years – who I didn’t remember. I had … Continue reading

Posted in Classroom Happenings, Teaching, Uncategorized | 1 Comment

What I Wish I Had Asked Dr. Ribet

Dr. Kenneth Ribet of UC Berkeley visited campus to deliver our annual Kieval Lectures.  Professor Ribet is known for proving a key result that Andrew Wiles used to prove Fermat’s Last Theorem. I enjoyed his lectures and gleaned a little bit … Continue reading

Posted in Math and Me | Leave a comment

Matching Homework to Student

As I have said assigning homework is about process not product – an attempt to help students change their brains, i.e. learn the material.  Unfortunately matching homework to individual students is nearly impossible in a classroom setting with thirty-odd students.  A … Continue reading

Posted in Pedagogy, Teaching | Leave a comment