What is the possibility that another student in your school will have your exact same initials? Try this math challenge using logical reasoning and the "Pigeonhole principle," to discover how this could actually happen. An engaging...

What percentage of the class is right or left-handed? Students will investigate this question using statistical processes of collecting the data, organizing it, graphing, and finally analyzing it. Follow-up questions are provided for the...

Great ideas for "100th Day" activities. Most of these would be a good challenge for upper elementary school students if you want to include them in your 100th Day celebration. Activities include counting, measuring, weighing, sorting,...

A set of seven nuts arranged in a group of four and one of three. (Captioned Photo)