This case study of a third grade classroom details the ways that competence was jointly constructed by students and the teacher in relation to students' efforts to engage with each other's mathematical ideas. By creating consistent opportunities for students to share and make sense of others' ideas, and by supporting students to take up these…

This study investigated the nature and degree of difference in students' behaviors, participation, and power structures in classroom based online book discussions versus face-to-face discussions using pseudonyms, to determine whether online discussion is a useful adjunct to face-to-face literature circles in involving all students as participants.…