Learning trajectory. Rational number sense to proportional reasoning. (English)

Czarnocha, Bronislaw (ed.) et al., The creative enterprise of mathematics teaching research. Elements of methodology and practice â€’ from teachers to teachers. Rotterdam: Sense Publishers (ISBN 978-94-6300-548-7/hbk; 978-94-6300-547-0/pbk; 978-94-6300-549-4/ebook). 351-371 (2016).

Summary: This section is intended to demonstrate how statistical, or quantitative, analysis can be used, alongside qualitative investigations of discourse, to study hypothetical trajectories and relationships between conceptual knowledge as studentsâ€™ progress through rational number sense toward proportional reasoning.