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| | Orrill, C. H., & Brown, R. E. (2012). Making sense of double number lines in professional development: Exploring teachers’ understandings of proportional relationships. ''Journal of Mathematics Teacher Education'', 15, 381–403. | | Orrill, C. H., & Brown, R. E. (2012). Making sense of double number lines in professional development: Exploring teachers’ understandings of proportional relationships. ''Journal of Mathematics Teacher Education'', 15, 381–403. |
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| | + | Son, J.-W. (2013). How preservice teachers interpret and respond to student errors: Ratio and proportion in similar rectangles. ''Educational Studies in Mathematics'', 84, 49–70. |
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| | [[Categoría:Matemáticas]] | | [[Categoría:Matemáticas]] |
| | [[Categoría:Herramientas]] | | [[Categoría:Herramientas]] |