Archives for September, 2013

POTW 2

The second Problem of the Week has now been posted. More of a puzzle this week, rather than a conventional math problem. Enjoy! I’ve also posted a solution to last week’s problem. Enjoy that too! Gotta run now. Breaking Bad is on in just over two hours, and I have to begin my preparations.

A Rant About Straight Lines

I’m teaching a lot of calculus this term, and we just spent the last class period or two talking about straight lines. That makes sense. Calculus is especially concerned with measuring the slopes of functions, and straight lines are just about the simplest functions there are. Now, the textbook we’re using this term, like pretty…

Things move quickly in the math world. It was only the end of May that we heard of a stunning development regarding the long moribund twin primes conjecture. The problem is to prove that there are infinitely many pairs of prime numbers that differ by two, such as 3 and 5, or 17 and 19,…

The Return of Problem of the Week

Our school year started last Monday. My teaching muscles atrophied a bit over the summer, so last week’s classes were the pedagogical equivalent of stretching exercises. But starting tomorrow we’re really going to hit the ground running. Do you know what that means? That’s right! It means that Problem of the Week makes it’s triumphant…