Abstract
This paper reports the patterns of performance of almost 10,000 Year 4 to 6 students whose
teachers participated in a project (ANP) designed to improve their professional knowledge,
skills, and confidence. An important component of the project was the number framework,
informed by work with Count Me In Too, and extended to cater for students at Year 4 and
beyond. Data collected at the beginning and end of the project provided validation for the
upper levels of the framework. A hierarchical sequence of development was evident, with
additive part-whole thinking acquired before multiplicative part-whole thinking, which
came before proportional reasoning. Support was also found for the idea that knowledge
about numbers provides a necessary foundation for strategies.
Jenny Young-Loveridge & Vince Wright