<?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>S2448-80892018000300101</article-id>
<article-id pub-id-type="doi">10.24844/em3003.05</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nociones numéricas de alumnos mexicanos de tercero de preescolar]]></article-title>
<article-title xml:lang="en"><![CDATA[Numerical notions of Mexican kindergarten pupils]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortina Morfín]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña Jiménez]]></surname>
<given-names><![CDATA[Jesica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Pedagógica Nacional  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Pedagógica Nacional  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>30</volume>
<numero>3</numero>
<fpage>101</fpage>
<lpage>121</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-80892018000300101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-80892018000300101&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-80892018000300101&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se analizan los resultados de un estudio en el que las nociones numéricas básicas de 22 alumnos que conformaban un grupo de tercero de preescolar -de una escuela pública mexicana- fueron evaluadas desde una perspectiva formativa. Todos eran hijos de familias viviendo en condiciones de pobreza. Los resultados muestran un rezago importante en el desarrollo de habilidades numéricas, en la gran mayoría de los estudiantes, cuando se toma como referencia a los aprendizajes que la autoridad educativa mexicana espera que alcancen los niños en el tercer grado de preescolar. Se discuten las implicaciones de nuestra investigación para la definición de una agenda pedagógica que apoye eficazmente el desarrollo matemático de niños como los evaluados, y cómo ésta se diferenciaría de la propuesta oficial actual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: We analyze a study in which the numerical skills of a class of Mexican kindergarten students were assessed (N=22). They were the children of families living in poverty. Findings show that almost all the children were lagging behind, when considering the mathematical learning goals for kindergarten in the Mexican curriculum. We discuss the implications of our findings for the definition of a pedagogical agenda that could effectively support the mathematical development of children like those that participated in the study, and how this agenda would differ from the current curriculum.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Educación Preescolar]]></kwd>
<kwd lng="es"><![CDATA[Desarrollo Matemático]]></kwd>
<kwd lng="es"><![CDATA[Numeración]]></kwd>
<kwd lng="en"><![CDATA[Kindergarten]]></kwd>
<kwd lng="en"><![CDATA[Mathematical Development]]></kwd>
<kwd lng="en"><![CDATA[Numeration]]></kwd>
</kwd-group>
</article-meta>
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