Probability Create a Graph http://nces.ed.gov/nceskids/graphing/bar.asp Activity that looks at the probability of stepping on a crack in the sidewalk http://www.teachers.net/lessons/posts/3.html Measurement and Probability Activity (Students use temperature data to find the mean) http://www.mathsurf.com/3/ch12/index.html What Are Your Chances? http://nces.ed.gov/nceskids/chances Try a dice game online, and learn about probability Probability Activity http://www.bbc.co.uk/schools/ks2bitesize/maths/handling_data.shtml A Tale of Two Stories The following activities are inspired by children's natural curiosity about fantasy and fairy tales. Specifically, the investigations focus on developing the process of classification, especially an awareness of similarities and differences. The activities use The Three Little Pigs (Galdone 1970) and Cinderella (Grimm and Grimm 1981) to motivate students to think and reason mathematically. This NCTM Publication-Based Lesson Plan is adapted from "A Tale of Two Stories" by Heather L. Giancola, Sylvia P. Maxson, and Virginia Usnick. http://illuminations.nctm.org/LessonDetail.aspx?id=U102