Wednesday, July 14, 2010

Duelling With Math

In my history of mathematics course, we are reading William Dunham's Journey through Genius, which I highly recommend for those who can admire a good proof.

The thing that has got me so excited about this class though isn't the beautiful theorems we're reading about. Far from it. It's the sense of storytelling that you can create by including some of the history of math into your teaching.

I was blown away with the historical perspective I gained in reading the following passage (p.134-135) about mathematics in the Renaissance:
"[A]cademic appointments were by no means secure. Along with patronage and political influence, continued service depended on the ability to prevail in public challenges that could be issued from any quarter at any time. Mathematicians like [Scipione] del Ferro always had to be ready to do scholarly battle with challengers, and the consequences of a public humiliation could be disastrous to one's career.

"Thus a major new discovery was a powerful weapon. Should an opponent appear with a list of problems to be solved, del Ferro could counter with a list of depressed cubics. Even if del Ferro were stumped by some of his challenger's problems, he could feel confident that his cubics, baffling to all but himself, would guarantee the downfall of his unfortunate adversary.

"Scipione apparently did a good job of keeping his solution secret throughout his life, and it was only on his deathbed that he passed it along to his student Antonio Fior."
I was so taken with this idea that I came up with some slides for a game that I'd like my students to play: Math Duel. (see slides below)


I've seen teachers have students generate their own questions for each other, but how about setting it up within the historical context of famous men and women in the course subject. I've got to give a lot of credit to Dunham for writing such a thrilling history of a subject that gets a bad reputation as too dull and black and white.

Sunday, July 11, 2010

How I'm Staying Busy This Summer

Over the next few weeks, I'll be busy working on an ICL project for the Vancouver Island Program.

I'm hoping this not only serves as a good introduction for me to working at my new school, but also creates a program that I'd like to stay involved with over a longer term.

I also have History of Mathematics course to complete before leaving for BC.

I'll get back to reading about Euclid's proof of the Pythagorean Theorem. I'm definitely expecting some new ideas/blog posts to come from this class.

Thursday, July 8, 2010

How Can I Get My Young Reader to 10,000 Hours of Reading?


By now the advantages of practicing something for 10,000 hours are widely publicized. My summer vacation to visit my family has turned into an experiment to get my little sister to become a voracious reader. After she re-read a few favorite books she was ready for a real challenge: the Harry Potter series.

We picked up Harry Potter and the Sorcerer's Stone from the local library. After a quick practice read-aloud and the five-finger test we dove into reading HP together. The motivation was there, but it was definitely a challenge. The beginning of the book is filled with strange vocabulary and some British-English that is quite confounding for a young fledgling reader (YFR). But I realized that the great thing about her having picked this book was that if she came to love it, she could just go and go and go ... . At a total of a whopping 4,167 pages, the series puts YFR well along the path to the magic 10,000 rule.

I used to disparage the HP series since I didn't see how the books were any better than the highly entertaining movies. I have learned and changed my mind. Reading the HP books is big. 4,167 pages of anything is a huge investment of time and attention in our impatient society. It deserves special recognition. It's way more of an accomplishment than the participation awards we give out for playing on a team and it ranks up there with earning a rank in the Boy Scouts. So I've created my own HP Reading Certificate and passed them out to the first 3 HP readers I saw. See it here:
If you have read the complete series and would like your own certificate to prove it, leave your email in the comments and I will try to pass one on soon.