These sites have games, activities, and lesson plans to help high school students form effective teams. Some activities are content specific, but most could be used in a wide range of content areas. There is an eThemes resource on Cooperative Learning strategies also included.
This article provides specific suggestions for working with teens; topics include icebreakers, strategy team building activities, decision-making activities, and trust activities.
NOTE: This site includes ads.
NOTE: This site includes a discussion board (message board, forum, etc.).
This lesson is designed to help improve relations among students though get-to-know-you activities. NOTE: These discussion questions are for older students, but this activity could be adapted for use with younger children. NOTE: The site has a link that leads to a site with a message board