<p class="Default" style="text-align: justify;"><span style="font-size: 11.0pt; color: windowtext; mso-fareast-language: ES-TRAD;">O artigo</span><span style="font-size: 11.0pt; color: windowtext;"> analisa edições da revista O ECO, com ênfase para os conhecimentos matemáticos na seção Cantinho do Sábio</span><span style="font-size: 11.0pt; color: windowtext; mso-fareast-language: ES-TRAD;">. Como o tema se insere na História da Educação Matemática no Rio Grande do Sul, este</span><span style="font-size: 11.0pt; color: windowtext;"> estudo qualitativo e documental se </span><span style="font-size: 11.0pt; color: windowtext; mso-fareast-language: ES-TRAD;">ampara </span><span style="font-size: 11.0pt; color: windowtext;">na história cultural para análise de edições da revista<em style="mso-bidi-font-style: normal;">,</em> editada pelo Colégio Anchieta de Porto Alegre, para a mocidade brasileira, no período de abril de 1914 até o final de 1969.</span><span style="font-size: 11.0pt; color: windowtext; mso-fareast-language: ES-TRAD;"> </span><span style="font-size: 11.0pt; color: windowtext;">Seu público-alvo era a comunidade escolar e a mocidade católica brasileira, apresentando-se conteúdos religiosos e morais e de formação geral.<span style="mso-spacerun: yes;">  </span>O Cantinho do Sábio fez parte da revista de 1940 a 1962, por meio de charadas, enigmas, desafios e outras atividades de passa tempo, envolvendo diferentes áreas do conhecimento. A Matemática aparece por meio de enigmas, problemas e curiosidades, valorizando o pensamento lógico-matemático do leitor com desafios, premiando os leitores com suas soluções corretas. Os conhecimentos matemáticos envolvem aritmética, geometria e álgebra, com foco no desenvolvimento de habilidades para o cálculo escrito e mental, raciocínio lógico e resolução de problemas. <span style="mso-no-proof: yes;">Dessa forma, os editores da revista buscavam despertar o interesse e curiosidade da mocidade estudiosa, contribuindo para formação da juventude católica nos colégios onde essa revista<span style="mso-spacerun: yes;">  </span>circulava.</span></span></p> <!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:RelyOnVML /> <o:AllowPNG /> </o:OfficeDocumentSettings> </xml><![endif]--><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves /> <w:TrackFormatting /> <w:HyphenationZone>21</w:HyphenationZone> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> 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