<?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>S2448-80892015000300175</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[La construcción de circunferencias tangentes. Estudio teórico desde una perspectiva heurística]]></article-title>
<article-title xml:lang="en"><![CDATA[The construction of tangent circumference. Theoretical study from a heuristic perspective]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Siñeriz]]></surname>
<given-names><![CDATA[Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quijano]]></surname>
<given-names><![CDATA[Trinidad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional del Comahue Centro Regional Universitario Bariloche ]]></institution>
<addr-line><![CDATA[ Río Negro]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>27</volume>
<numero>3</numero>
<fpage>175</fpage>
<lpage>195</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-80892015000300175&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-80892015000300175&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-80892015000300175&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En este artículo describimos un estudio teórico del proceso de resolución de una situación abierta en el marco de una investigación centrada en las construcciones geométricas. Por un lado, nos proponemos mostrar la multiplicidad de aspectos inherentes al planteamiento y resolución de problemas a partir de ella. Por otro lado, pretendemos aportar algunas pautas o sugerencias al organizar la enseñanza que lleven a rescatar los métodos y heurísticas que subyacen al resolverla, y promover la generación de nuevos problemas desde procesos de elaboración y contrastación de conjeturas a través de la exploración.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This paper describes a theoretical study of the process of solving an open situation, in the framework of a research focused on geometric constructions. On one hand, we intend to show the multiplicity of aspects inherent to posing and solving problems from it. On the other hand, our aim is to provide some guidelines or suggestions to organize how to teach, in order to rescue methods and heuristics that underlie when it is solved, and to promote the generation of new problems arising from processes to develop and test conjectures by means of exploration.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[construcciones]]></kwd>
<kwd lng="es"><![CDATA[resolución de problemas]]></kwd>
<kwd lng="es"><![CDATA[planteamiento de problemas]]></kwd>
<kwd lng="es"><![CDATA[métodos heurísticos]]></kwd>
<kwd lng="es"><![CDATA[fases]]></kwd>
<kwd lng="en"><![CDATA[constructions]]></kwd>
<kwd lng="en"><![CDATA[problem solving]]></kwd>
<kwd lng="en"><![CDATA[problem posing]]></kwd>
<kwd lng="en"><![CDATA[heuristics methods]]></kwd>
<kwd lng="en"><![CDATA[phases]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<source><![CDATA[Memorias de la V Reunión Pampeana de Educación Matemática]]></source>
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</article>
