<?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>S2179-426X2023000100117</article-id>
<article-id pub-id-type="doi">10.26843/rencima.v14n1a18</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Uma análise do conteúdo de razão e proporção em livros didáticos do ensino fundamental]]></article-title>
<article-title xml:lang="en"><![CDATA[A content analysis of ratio and proportion in elementary school textbooks]]></article-title>
<article-title xml:lang="es"><![CDATA[Un análisis de contenido de la razón y la proporción en los libros de texto de la escuela primaria]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lazzaretti]]></surname>
<given-names><![CDATA[Raiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mathias]]></surname>
<given-names><![CDATA[Carmen Vieira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Secretaria de Estado de Educação do Rio Grande do Sul  ]]></institution>
<addr-line><![CDATA[ Rio Grande do Sul]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade Federal de Santa Maria Departamento de Matemática ]]></institution>
<addr-line><![CDATA[ Rio Grande do Sul]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2023</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S2179-426X2023000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S2179-426X2023000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S2179-426X2023000100117&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O objetivo deste trabalho é analisar como desenvolve-se o conteúdo de razão e proporção nos livros didáticos do Ensino Fundamental, comparando a edições anteriores e posteriores à Base Nacional Comum Curricular (BNCC). As duas coleções analisadas foram escolhidas por possuírem o maior número de exemplares comprados em todo o Brasil. Para a análise de caráter qualitativo, foram elaborados sete critérios que visam o estudo do conteúdo e das atividades. Foram pontuadas as principais mudanças entre as coleções e a concordância da última edição com relação às habilidades listadas na BNCC. Concluiu-se que: uma das coleções, a edição anterior à BNCC, está compatível com o esperado e os livros anteriores à BNCC demonstraram maior preocupação na abordagem do conteúdo. Os livros atuais contêm o que se considera o mínimo para estarem de acordo com a habilidade destacada na BNCC.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this work is to analyze how the content of ratio and proportion is developed in Elementary School textbooks, comparing the previous and subsequent editions to the National Common Curricular Base (BNCC). The two analyzed collections were chosen because they have the largest number of copies purchased throughout Brazil. For the qualitative analysis, seven criteria were developed to study the content and activities. The main changes between the collections and the concordance of the last edition regarding the skills listed in the BNCC were scored. It was concluded that: one of the collections, the edition prior to the BNCC is compatible with what was expected and the books prior to the BNCC showed greater concern in approaching the content. Current books contain what is considered the minimum to be in line with the skills highlighted in the BNCC.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de este trabajo es analizar cómo se desarrolla el contenido de razón y proporción en los libros de texto de Educación Primaria, comparando las ediciones anteriores y posteriores a la Base Nacional Común Curricular (BNCC). Las dos colecciones analizadas fueron elegidas por tener el mayor número de ejemplares comprados en todo Brasil. Para el análisis cualitativo, se desarrollaron siete criterios para estudiar el contenido y las actividades. Se puntuaron los principales cambios entre las colecciones y la concordancia de la última edición con respecto a las competencias enumeradas en la BNCC. Se concluyó que en una de las colecciones, la edición anterior a la BNCC es compatible con lo esperado y los libros anteriores a la BNCC mostraron mayor preocupación en el abordaje del contenido. Los libros actuales contienen lo que se considera el mínimo, para estar en línea con la habilidad destacada en el BNCC.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Base Nacional Comum Curricular]]></kwd>
<kwd lng="pt"><![CDATA[Razão e Proporção]]></kwd>
<kwd lng="pt"><![CDATA[Livro Didático]]></kwd>
<kwd lng="en"><![CDATA[Common National Curriculum Base]]></kwd>
<kwd lng="en"><![CDATA[Ratio and Proportion]]></kwd>
<kwd lng="en"><![CDATA[Textbook]]></kwd>
<kwd lng="es"><![CDATA[Base Curricular Nacional Común]]></kwd>
<kwd lng="es"><![CDATA[Razón y proporción]]></kwd>
<kwd lng="es"><![CDATA[Libro de texto]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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