Archive for October, 2013

In this Newsletter:

1. When does log(x − 3) = log x − log 3?
2. Updated math interactives
3. IntMath poll
4. Math puzzles
5. Friday math movie - Smart failure
6. Final thought - Learning to learn

A recent comment from a Twitter colleague got me thinking about the value of graphical solutions of equations.

We don't deal with failure properly in most educational settings. This talk gives some options for improving that.

In this Newsletter:

1. Resources for the new school year
2. Prime Gaps
3. Math interactive: matrix applet
4. Math puzzles
5. Friday math movies
6. Final thought - Choosing the best role model

Here's an applet where you can investigate how matrix operations work.