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Ebby, Caroline B.; Petit, Marjorie – Mathematics Teaching in the Middle School, 2017
A learning trajectory describes the progression of student thinking and strategies over time in terms of sophistication of both conceptual understanding and procedural fluency. Currently, learning trajectories exist in the research literature for many mathematical domains, including counting, addition and subtraction, multiplicative thinking,…
Descriptors: Formative Evaluation, Mathematics Instruction, Mathematics Teachers, Mathematical Concepts