Icelandic 5th-grade girls’ developmental trajectories in proportional reasoning Olof B. SteinthorsdottirBharath Sriraman OriginalPaper Pages: 6 - 30
Growth points in students’ developing understanding of function in equation form Erlina R. Ronda OriginalPaper Pages: 31 - 53
Reasoning with paper and pencil: The role of inscriptions in student learning of geometric series Martin Carlsen OriginalPaper Pages: 54 - 84
Converting mathematics tasks to learning opportunities: An important aspect of knowledge for mathematics teaching Peter SullivanDoug ClarkeBarbara Clarke OriginalPaper Pages: 85 - 105
Young children’s spatial, geometric, and architectural knowledge: Knowledge under construction Kthryn C. Irwin Book Review Pages: 106 - 109