<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2448-8089</journal-id>
<journal-title><![CDATA[Educación matemática]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. mat.]]></abbrev-journal-title>
<issn>2448-8089</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Investigación y Divulgación de la Educación Matemática A.C.; Universidad de Guadalajara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-80892023000200069</article-id>
<article-id pub-id-type="doi">10.24844/em3502.03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Capacidad de enseñanza de la magnitud masa y reflexión en la formación inicial docente: el caso de una maestra de infantil]]></article-title>
<article-title xml:lang="en"><![CDATA[Teaching capacity for the weight notion and teacher reflection of prospective educators: the case of an early childhood teacher]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Santander]]></surname>
<given-names><![CDATA[Pamela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Goldrine Godoy]]></surname>
<given-names><![CDATA[Tatiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olfos Ayarza]]></surname>
<given-names><![CDATA[Raimundo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Las Américas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>69</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-80892023000200069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-80892023000200069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-80892023000200069&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El interés por la formación inicial docente para la enseñanza de la matemática en infantil y la inclusión de la reflexión en la formación del profesorado, motiva el estudio de caso de una futura maestra de infantil, para mostrar cómo un ciclo de reflexión fortalece la enseñanza de la magnitud masa. Videos de práctica, audios de participación en una comunidad docente e informes reflexivos, fueron analizados cualitativamente desde el constructo Capacidad de enseñanza, en sus componentes conocimiento del contenido y conocimiento pedagógico del contenido sobre la enseñanza y el pensamiento matemático infantil. Gracias al ciclo de reflexión, la futura maestra evidencia cambios en su comprensión sobre el tratamiento de la magnitud masa, precisando la información sensorial y la organización de los objetos, enriqueciendo los atributos mesurables ofrecidos a los niños. El ciclo de reflexión muestra su potencial como dispositivo formativo para la mejora de la formación inicial docente en educación matemática en infantil.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The interest in initial teacher education in early mathematics and the inclusion of reflection in training, motivate to study the case of one prospective childhood teacher, to show how a cycle of reflection contributes to increase the mathematics teaching capability for to teach weight notion. Videos of her practice, audios of her participation in a teaching reflection community and personal reflection reports are qualitatively analysed with the construct mathematics teaching capability in its component: content knowledge and pedagogical content knowledge about teaching and the mathematics thinking during early childhood. Thanks to the reflection cycle, the prospective teacher evidences change in her understanding about of how to teach to weight notion, specifying the sensory information and the organization of the objects, improving the measurables attributes offered to the children. The reflection cycle shows its potential for improvement initial teacher education in early mathematics.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[formación inicial de profesores]]></kwd>
<kwd lng="es"><![CDATA[maestras de infantil]]></kwd>
<kwd lng="es"><![CDATA[matemática]]></kwd>
<kwd lng="es"><![CDATA[magnitud masa]]></kwd>
<kwd lng="es"><![CDATA[reflexión docente]]></kwd>
<kwd lng="en"><![CDATA[initial teacher training]]></kwd>
<kwd lng="en"><![CDATA[early childhood teachers]]></kwd>
<kwd lng="en"><![CDATA[mathematics]]></kwd>
<kwd lng="en"><![CDATA[relative weight notion]]></kwd>
<kwd lng="en"><![CDATA[teacher reflection]]></kwd>
</kwd-group>
</article-meta>
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