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The PISA tasks: unveiling prospective elementary mathematics teachers’ difficulties with contextual, conceptual, and procedural knowledge
(Taylor & Francis, 2019)
The aim of this mixed methods study was to investigate the difficulties prospective elementary mathematics teachers have in solving the Programme for International Student Assessment (PISA) 2012 released items. A mathematics ...
Validating psychometric classification of teachers' fraction arithmetic reasoning
In prior work, we fit the mixture Rasch model to item responses from a fractions survey administered to a nationwide sample of middle grades mathematics teachers in the United States. The mixture Rasch model located teachers ...
An analysis of elementary school children's fractional knowledge depicted with circle, rectangle, and number line representations
It is now well known that fractions are difficult concepts to learn as well as to teach. Teachers usually use circular pies, rectangular shapes and number lines on the paper as teaching tools for fraction instruction. This ...