DOE Fraction resources

http://dww.ed.gov/media/MathScience/FR/RP/2267/index.htm

Math in our World-Devlin's Angle

if you like to see the math in this world through a prolific mathematician, check out Kevin Devlin at
http://www.maa.org/devlin/

Research resources for Math Professional Development

http://www.carnegiefoundation.org/
http://www.sedl.org/
http://www.ncpublicschools.org/profdev/resources/proflearn/
http://www.pdmathsci.net/index.php
http://hastac.org/blogs/melissa-brough/reflections-university-community-partnership-collective-inquiry

More lesson study resources from Japan

http://hrd.apec.org/index.php/Lesson_Study
is a great site for those who would like to view true Japanese Lesson Study

http://hrd.apec.org/index.php/Area_of_the_Circle_Grade_5_%28Japan%29

Collecting good apps for Iphone and ipads

PBL resources for STEM

This blogger had some interesting links to PBL sites http://kidseducationalwebsites.blogspot.com/2011/01/pbl-examples-of-math-project-ideas.html

Launching COMPLETE e-Lesson Library

GMU COMPLETE MATH will be launching a new e-lesson library website. Teachers will be contributing their lesson and their Lesson Study experience via video clips.