This study examined the behaviors and experiences of students who needed assistance while working in peer-directed small groups on mathematics problems and the processes that helped or hindered their learning. Students in 4 seventh-grade classes worked in heterogeneous small groups throughout a 3-week unit on operations with decimal numbers.…

Building on Karabenick's earlier volume on this topic and maintaining its high standards of scholarship and intellectual rigor, this book brings together contemporary work that is theoretically as well as practically important. It highlights current trends in the area and gives expanded attention to applications to teaching and learning. The…