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1. Characterizing the Nature of Students' Feature Noticing-and-using With Respect to Mathematical Symbols Across Different Levels of Algebra Exposure

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2. understanding proportional reasoning of pre-service teachers

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Open Access

3. Assessing Understanding of the Concept of Function: A Study Comparing Prospective Secondary Mathematics Teachers' Responses to Multiple-choice and Constructed-response Items

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Open Access

4. The Nature of Secondary Mathematics Teachers' Efforts to Make Ideas of School Algebra Accessible

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Open Access