<?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>2179-426X</journal-id>
<journal-title><![CDATA[Revista de Ensino de Ciências e Matemática]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Ensino Ciênc. Mat.]]></abbrev-journal-title>
<issn>2179-426X</issn>
<publisher>
<publisher-name><![CDATA[Universidade Cruzeiro do Sul (UCS)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2179-426X2024000100108</article-id>
<article-id pub-id-type="doi">10.26843/rencima.v15n1a09</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[O problema do número presumido disposto no tratado de L&#299;lav&#257;t&#299; para o estudo do pensamento algébrico]]></article-title>
<article-title xml:lang="en"><![CDATA[The problem of the assumed number provided in L&#299;lav&#257;t&#299;'s treatise for the study of algebraic thinking]]></article-title>
<article-title xml:lang="es"><![CDATA[El problema del presunto número previsto en el tratado de L&#299;lav&#257;t&#299; para el estudio del pensamiento algebraico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Freire]]></surname>
<given-names><![CDATA[Dianara Figueirêdo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Ana Carolina Costa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Federal de Educação  ]]></institution>
<addr-line><![CDATA[ Ceará]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade Estadual do Ceará  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2024</year>
</pub-date>
<volume>15</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S2179-426X2024000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S2179-426X2024000100108&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S2179-426X2024000100108&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Na Educação Básica, vêm se discutindo modos de se aprimorar o ensino de álgebra, por meio da discussão do pensamento algébrico. Nesse contexto, o futuro professor de Matemática deve ter inserido, em sua formação, recursos que o ajudem a entender esse modo de pensar. Com isso, este artigo tem por intuito apresentar e discutir os conceitos algébricos com licenciandos em Matemática, contidos na parte &#8220;Um número presumido&#8221; do L&#299;lav&#257;t&#299;, com vista a orientações didáticas. Para isso, é utilizada uma abordagem qualitativa, de caráter descritivo, que se apoiou em um estudo de caso, permeado por um estudo bibliográfico e documental. Portanto, notamos que, através do tratado L&#299;lav&#257;t&#299;, é possível discutir o pensamento algébrico na Licenciatura em Matemática e, ainda, observamos que alguns licenciandos chegam à universidade com dificuldade de modelar problemas algébricos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In basic education, ways to improve the teaching of algebra have been discussed, through the discussion of algebraic thinking. In this context, the future Mathematics teacher must have included in their training resources that help them to understand this way of thinking. With this, this research aims to discuss the algebraic concepts with undergraduates in mathematics, contained in the "a presumed number" part of the L&#299;lav&#257;t&#299;, with a view to didactic guidelines. In this way, the article has a qualitative approach, being of a descriptive character, which was supported by a case study, permeated by a bibliographic and documentary study. Therefore, we note that through the L&#299;lav&#257;t&#299; treatise, it is possible to discuss algebraic thinking in the mathematics degree and we also observe that some undergraduates arrive at university with difficulty in modeling algebraic problems.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En la educación básica se han discutido formas de mejorar la enseñanza del álgebra, a través de la discusión del pensamiento algebraico. En este contexto, el futuro profesor de Matemáticas debe haber incluido en su formación recursos que le ayuden a comprender esta forma de pensar. Con eso, esta investigación tiene como objetivo discutir los conceptos algebraicos con estudiantes en formación en matemáticas, contenidos en la parte "un número presunto" del L&#299;lav&#257;t&#299;, con miras a orientaciones didácticas. De esta forma, el artículo tiene un enfoque cualitativo, siendo de carácter descriptivo, el cual estuvo sustentado en un estudio de caso, permeado por un estudio bibliográfico y documental. Por lo tanto, notamos que a través del tratado L&#299;lav&#257;t&#299;, es posible discutir el pensamiento algebraico en la carrera de matemáticas y también observamos que algunos estudiantes llegan a la universidad con dificultad para modelar problemas algebraicos.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Educação Matemática]]></kwd>
<kwd lng="pt"><![CDATA[Bh&#257;skar&#257;c&#257;rya]]></kwd>
<kwd lng="pt"><![CDATA[Formação de Professores]]></kwd>
<kwd lng="pt"><![CDATA[Textos Históricos]]></kwd>
<kwd lng="en"><![CDATA[Mathematics Education]]></kwd>
<kwd lng="en"><![CDATA[Bh&#257;skar&#257;c&#257;rya]]></kwd>
<kwd lng="en"><![CDATA[Teacher Training]]></kwd>
<kwd lng="en"><![CDATA[Historical Texts]]></kwd>
<kwd lng="es"><![CDATA[Educación Matemática]]></kwd>
<kwd lng="es"><![CDATA[Bh&#257;skar&#257;c&#257;rya]]></kwd>
<kwd lng="es"><![CDATA[Formación de Profesores]]></kwd>
<kwd lng="es"><![CDATA[Textos Históricos]]></kwd>
</kwd-group>
</article-meta>
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