<?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>2182-8474</journal-id>
<journal-title><![CDATA[Sisyphus - Journal of Education]]></journal-title>
<abbrev-journal-title><![CDATA[Sisyphus]]></abbrev-journal-title>
<issn>2182-8474</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Educação da Universidade de Lisboa]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2182-84742022000200073</article-id>
<article-id pub-id-type="doi">10.25749/sis.25696</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Spatial Structuring of 3D Shapes: Constructions Supported by Spatial Reasoning]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estruturação Espacial de Figuras 3D: Construções Apoiadas pelo Raciocínio Espacial]]></article-title>
<article-title xml:lang="es"><![CDATA[Estructuración Espacial de Figuras 3D: Construcciones Apoyadas por el Razonamiento Espacial]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conceição]]></surname>
<given-names><![CDATA[Joana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Margarida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colégio Atlântico  ]]></institution>
<addr-line><![CDATA[Seixal ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico de Lisboa Escola Superior de Educação CIED]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade de Lisboa Instituto de Educação UIDEF]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>73</fpage>
<lpage>99</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2182-84742022000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2182-84742022000200073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2182-84742022000200073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper aims to provide further understanding of strategies used by first graders to reproduce 3D shapes, in what concerns spatial structuring and spatial reasoning processes involved. The data were collected during a teaching experiment where the pupils had to reproduce two 3D shapes using cubes, first from a 3D model and then from a 2D representation of a 3D model. The strategies pupils used indicate different levels of local and global structuring, and, sometimes, a progression to upper levels, based on the establishment of more complex relationships between components and composites, anchored in the use of manipulatives. These relationships also seem to be supported by spatial reasoning processes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este artigo tem como objetivo aprofundar a compreensão acerca das estratégias usadas por alunos do 1.º ano de escolaridade para reproduzir figuras 3D, do ponto de vista da estruturação espacial e dos processos de raciocínio espacial envolvidos. Os dados foram recolhidos durante uma experiência de ensino, onde os alunos tinham de reproduzir duas figuras 3D, usando cubos, primeiro a partir de um modelo 3D e depois a partir de uma representação 2D de um modelo 3D. As estratégias utilizadas pelos alunos indicam diferentes níveis de estruturação local ou estruturação global e, algumas vezes, a progressão para níveis de estruturação mais elevados, a partir do estabelecimento de relações mais complexas entre componentes e compostos, que, por sua vez, surgem durante a manipulação dos materiais. Estas relações também parecem ser apoiadas por processos de raciocínio espacial.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este artículo tiene como objetivo profundizar en la comprensión de las estrategias de estructuración espacial utilizadas por los estudiantes de 1er grado para reproducir figuras en 3D, desde el punto de vista de la estructuración espacial y de los procesos de razonamiento espacial involucrados. Los datos se recopilaron durante una experiencia de enseñanza, donde los estudiantes tuvieron que reproducir dos figuras en 3D, utilizando cubos, primero a partir de un modelo 3D y luego a partir de una representación 2D de un modelo 3D. Las estrategias empleadas por los estudiantes señalan diferentes niveles de estructuración local o estructuración global y, en ocasiones, la progresión a niveles de estructuración superiores, a partir del establecimiento de relaciones más complejas entre componentes y compuestos, que, a su vez, surgen durante el manejo de materiales. Estas relaciones también parecen estar respaldadas por procesos de razonamiento espacial.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[3D spatial structuring]]></kwd>
<kwd lng="en"><![CDATA[spatial reasoning]]></kwd>
<kwd lng="en"><![CDATA[coordination]]></kwd>
<kwd lng="en"><![CDATA[integration]]></kwd>
<kwd lng="en"><![CDATA[early years]]></kwd>
<kwd lng="pt"><![CDATA[estruturação espacial 3D]]></kwd>
<kwd lng="pt"><![CDATA[raciocínio espacial]]></kwd>
<kwd lng="pt"><![CDATA[coordenação]]></kwd>
<kwd lng="pt"><![CDATA[integração]]></kwd>
<kwd lng="pt"><![CDATA[primeiros anos]]></kwd>
<kwd lng="es"><![CDATA[estructuración espacial 3D]]></kwd>
<kwd lng="es"><![CDATA[razonamiento espacial]]></kwd>
<kwd lng="es"><![CDATA[coordinación]]></kwd>
<kwd lng="es"><![CDATA[integración]]></kwd>
<kwd lng="es"><![CDATA[primeros años]]></kwd>
</kwd-group>
</article-meta>
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