My blogroll was getting a little long, so here's a few more links.

a math teacher living in the 21st century

Approaching Infinity

Explaining Mathematics

Figures Speak Mathematics

San Diego Math Tutor

iCoachMath - has lots of solved examples

Math Problem of the Day

How to Read Mathematics

misscalcul8

Sweeny Math

Musings of a Mthman

ThinkThankThunk

MeTA Musings

Learning is Life

Things I do

http://www.purplemath.com/modules/index.htm