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Download full textKerrigan, Sarah; Norton, Anderson; Ulrich, Catherine – North American Chapter of the International Group for the Psychology of Mathematics Education, 2020
We report on and validate a system for ranking the cognitive demand of mathematical tasks. In our framework, task rankings are determined by the sequences of units and unit transformations students might use to solve each task. Using this framework, we ranked a set of 10 fractions tasks. We then interviewed 12 pre-service teachers to assess the…
Descriptors: Cognitive Processes, Difficulty Level, Fractions, Evaluation Methods
