Undergraduate teaching, as the duty of a teaching assistant, has been part of my life, from which my teaching philosophy has emerged. During years of teaching in various levels, ranging form college algebra to calculus, it has been my firm belief that computer technology improves the effectiveness of teaching and learning.

This portfolio is not only the reflection upon the work of past several years, but also my continuing effort to improve my effectiveness as a math teacher. The contents of this site are organized so as to fulfill the portfolio requirements and can be summarized as follows:

1. Teaching philosophy statement is my opinion on different aspects of teaching with technology.
   
   
2. Out-of-class resources section contains a list of class materials I made available to students online.
   
   
3. Public use of technology section gives examples of situations when I used technology in the classroom and provides resources that were utilized.
   
   
4. Digital media resources section is a pool of various media samples that were effectively used to improve teaching.
   
   
5. Pedagogical innovation section provides an overview of different approaches and techniques I used that proved to be effective innovations comparing to the traditional lecture-style teaching.
   
   
6. Reflection on teaching provides evaluations of different uses of teaching technology and serves as a summary of previous sections.
   
   
7. Courses description is a collection of links to all the course web pages I created.
   
   
8. Hengguang's homepage is a link to my personal web site.