This article illustrates one of several learning sequences from the Interdisciplinary Mathematics and Science (IMS) Learning project, connecting science and mathematics learning in the primary school. Investigating Body Height involved a series of investigations conducted in Years 5 and 6 across six classes in one school. The project teachers implemented an enquiry-based pedagogical model to collect, organise, analyse and represent data about students' heights. Statistical ideas and various forms of graphical representation were developed well beyond curriculum expectations.