<?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>0185-2698</journal-id>
<journal-title><![CDATA[Perfiles educativos]]></journal-title>
<abbrev-journal-title><![CDATA[Perfiles educativos]]></abbrev-journal-title>
<issn>0185-2698</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Investigaciones sobre la Universidad y la Educación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-26982016000200051</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La actuación de estudiantes de educación primaria en un proceso de invención de problemas]]></article-title>
<article-title xml:lang="en"><![CDATA[The action of primary school students in a problem posing process]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayllón Blanco]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallego Ortega]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Pérez]]></surname>
<given-names><![CDATA[Isabel Angustias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Granada Centro de Magisterio "La Inmaculada" Departamento de Didáctica de las Matemáticas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Granada Facultad de Ciencias de la Educación Departamento de Didáctica y Organización Escolar]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Granada Centro de Magisterio "La Inmaculada" Departamento de Psicología Evolutiva y de la Educación]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>38</volume>
<numero>152</numero>
<fpage>51</fpage>
<lpage>67</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-26982016000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-26982016000200051&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-26982016000200051&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En esta investigación se analiza cómo actúan 351 alumnos de los seis cursos de educación primaria al inventar problemas. Se estudian las creencias de los estudiantes acerca de la utilidad de saber resolver problemas, así como los enunciados producidos, teniendo en cuenta su coherencia, su estructura operatoria y el número de operaciones necesarias para resolverlos. Se diseñó un cuestionario-prueba ad hoc y se analizaron estadísticamente los datos (SPSS). Se observó que desde los seis años, los estudiantes inventan enunciados que constituyen problemas matemáticos, y que a medida que avanzan de curso, sus invenciones se hacen más complejas en su estructura operatoria, además de que inventan problemas donde se involucran al menos dos operaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This investigation analyzes how 351 students across six levels of primary education acted when they invented problems. Student beliefs are studied regarding the usefulness of knowing how to solve problems, as well as the formulation of their problem statements, taking into account coherence, operational structure and the number of operations needed to solve the problem. An ad hoc test questionnaire was designed and the data was statistically analyzed (SPSS). From the age of six, students were observed to invent problem statements that constitute mathematical problems and as they progress to the next grade, their inventions become more complex in terms of operational structure; in addition, they invent problems involving at least two operations.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aprendizaje basado en problemas]]></kwd>
<kwd lng="es"><![CDATA[Enseñanza de las matemáticas]]></kwd>
<kwd lng="es"><![CDATA[Ciencias básicas]]></kwd>
<kwd lng="es"><![CDATA[Educación básica]]></kwd>
<kwd lng="es"><![CDATA[Estrategias de aprendizaje]]></kwd>
<kwd lng="en"><![CDATA[Problem-based learning]]></kwd>
<kwd lng="en"><![CDATA[Teaching mathematics]]></kwd>
<kwd lng="en"><![CDATA[Basic science]]></kwd>
<kwd lng="en"><![CDATA[Basic education]]></kwd>
<kwd lng="en"><![CDATA[Learning strategies]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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