Using Google and Teoma search engines, I researched web sites that provide math lesson plans for grades 3-6.  My queries included "math lesson plans" and "lesson plans for math". I then further investigated the lesson plans provided by searching for particular lesson plans within the web site. Mostly, I looked at lesson plans for teaching integers, but I noted the extent of math topics and lessons covered at each site.


The following listed sites are those that I found to be the most helpful, best organized,  and easiest to use, respectively.

1. The Math Forum @ Drexel - This is an extremely helpful web site. It is clearly organized by topic and grade level. One is able to search for lesson plans easily by keyword. The math topics are extensive and the lesson plans are well written, detailed, and useful.  http:mathforum.org/library/resource_types/lesson_plans/

2. LessonPlansPage.com - You can search by keyword or grade level, and then view lesson plans that are organized by topic. This web site has a large collection of useful math lessons. A wonderful feature of this web site is the many integrated curriculum lesson plans that teach math in the areas of art, music, language arts, science, social studies, computer, and physical education/health.  http://www.lessonplanspage.com/Math.htm

3. Teachers.Net - There are 381 math lessons listed in this site's lesson bank. The list is easy to scroll through; lessons are listed in clusters of 5 and described by title, grade level, and author. The lessons are clearly organized, easy to follow, useful.  http://www.teachers.net/cgi-bin/lessons/sort.cgi?searchterm=Mathematics

4. Education World - This site advertises itself as "The Educator's Best Friend." I refer to this site over and over again for all sorts of topics and resources. I appreciate the quality of all entries at this site; this makes up for a less clearly organized index for finding math lesson plans, but useful, great quality ones nonetheless. http://www.educationworld.com/math/

5. SMILE - Illinois Institute of Technology hosts this web site which contains almost 200 math lesson plans. The lessons are organized by topic. Each title is accompanied by its author's name and school, so it is easy to decipher what is its appropriate grade level. http://www.iit.edu/~smile/mathinde.html

6. Awesome Library - Math lesson plans are helpfully organized by individual grades and then math topics. This site also provides links to many other web sites with math lesson plans. http://www.awesomelibrary.org/Classroom/Mathematics/Mathematics.html