Below is a link to do seven different courses called Developing Mathematical Ideas. The courses were developed by a group in Massachusetts and offered through Plymouth State University's impact center. I will make course information available.

Developing Mathematical Ideas

A link to an article from the NY Times regarding Singapore Math

A link to Mahesh Sharma's -- noted expert in Mathematical Instruction --web site

Mahesh Sharma's Web Site

A link to Khan Academy: a video based math tutorial site.

Khan Academy: Video Tutoring