If you have any math lessons for K-2 students to add to this list please contact Susan Silverman. Number Sentences, Estimation, and Graphing   Graphing Fun   Graphing Skittles   Math Graph Center   Review on Graphing Using Cookies   Ice Cream Graphing   To Excel is Elementary (There are a few broken links, but it has many treasures.)    Math & Weather- Perfect Together (By Marci McGowan!)   Daily Graphing Lesson Plans   Jelly Beans 2002-A Collaborative Internet Project-(By Debbie Thompson) Help Mrs. Thompson's class determine what color jelly bean can be found most often in a bag of jelly beans.  Be sure to check out the excellent web sites to go with this project.   Math Investigations: Teeth- A detailed lesson plan with an assessment   Storyville Math- Another wonderful collaborative project loaded with activities.