Operations with Rational Numbers and their Meanings based on the Part-all Conception

Detalhes bibliográficos
Autor(a) principal: Silva, Maria José Ferreira da
Data de Publicação: 2008
Outros Autores: Almouloud, Saddo Ag
Tipo de documento: Artigo
Idioma: por
Título da fonte: Bolema: Boletim de Educação Matemática
Texto Completo: https://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105
Resumo: We present a reflection regarding operations with fractional numbers focusing on the part-all conception through some activities that can contribute to teaching practices at the elementary school level. A brief characterization of the all-part conception is provided along with descriptions of activities involving the four basic operations based on the use of flat figures, although other conceptions may emerge during the solution. We limit our considerations to this conception because it is the most frequent, in textbooks as well as teacher practice, although it is not used to justify operational rules of fractional numbers. Key-words: Fractions. Fractional Numbers. Operations.
id UNESP-14_43f18537aad5179697f1bb262ed19466
oai_identifier_str oai:periodicos.rc.biblioteca.unesp.br:article/2105
network_acronym_str UNESP-14
network_name_str Bolema: Boletim de Educação Matemática
repository_id_str
spelling Operations with Rational Numbers and their Meanings based on the Part-all ConceptionAs Operações com Números Racionais e seus Significados a partir da Concepção Parte-todoWe present a reflection regarding operations with fractional numbers focusing on the part-all conception through some activities that can contribute to teaching practices at the elementary school level. A brief characterization of the all-part conception is provided along with descriptions of activities involving the four basic operations based on the use of flat figures, although other conceptions may emerge during the solution. We limit our considerations to this conception because it is the most frequent, in textbooks as well as teacher practice, although it is not used to justify operational rules of fractional numbers. Key-words: Fractions. Fractional Numbers. Operations.Neste artigo, apresentamos uma reflexão a respeito das operações com números fracionários focalizando a concepção parte-todo por meio de algumas atividades que possam contribuir para a prática docente na escola básica. O estudo explicita uma breve caracterização da concepção parte-todo e atividades envolvendo as quatro operações fundamentais tratadas em figuras planas, embora outras concepções possam ser mobilizadas durante a solução. Restringimos nossas considerações a essa concepção visto ser a mais freqüente, tanto em livros didáticos, quanto na prática do professor, embora não seja utilizada para justificar as regras operatórias dos números fracionários. Palavras-chave: Frações. Números Fracionários. Operações.UNESP - Campus de Rio Claro - Instituto de Geociências e Ciências Exatas2008-12-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105Bolema: Boletim de Educação Matemática; v. 21 n. 31 (2008); 55-781980-44150103-636Xreponame:Bolema: Boletim de Educação Matemáticainstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporhttps://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105/1830Silva, Maria José Ferreira daAlmouloud, Saddo Aginfo:eu-repo/semantics/openAccess2015-09-24T12:51:56Zoai:periodicos.rc.biblioteca.unesp.br:article/2105Revistahttps://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/PUBhttps://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/oaibolema.contato@gmail.com||romiarka@gmail.com1980-44150103-636Xopendoar:2015-09-24T12:51:56Bolema: Boletim de Educação Matemática - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Operations with Rational Numbers and their Meanings based on the Part-all Conception
As Operações com Números Racionais e seus Significados a partir da Concepção Parte-todo
title Operations with Rational Numbers and their Meanings based on the Part-all Conception
spellingShingle Operations with Rational Numbers and their Meanings based on the Part-all Conception
Silva, Maria José Ferreira da
title_short Operations with Rational Numbers and their Meanings based on the Part-all Conception
title_full Operations with Rational Numbers and their Meanings based on the Part-all Conception
title_fullStr Operations with Rational Numbers and their Meanings based on the Part-all Conception
title_full_unstemmed Operations with Rational Numbers and their Meanings based on the Part-all Conception
title_sort Operations with Rational Numbers and their Meanings based on the Part-all Conception
author Silva, Maria José Ferreira da
author_facet Silva, Maria José Ferreira da
Almouloud, Saddo Ag
author_role author
author2 Almouloud, Saddo Ag
author2_role author
dc.contributor.author.fl_str_mv Silva, Maria José Ferreira da
Almouloud, Saddo Ag
description We present a reflection regarding operations with fractional numbers focusing on the part-all conception through some activities that can contribute to teaching practices at the elementary school level. A brief characterization of the all-part conception is provided along with descriptions of activities involving the four basic operations based on the use of flat figures, although other conceptions may emerge during the solution. We limit our considerations to this conception because it is the most frequent, in textbooks as well as teacher practice, although it is not used to justify operational rules of fractional numbers. Key-words: Fractions. Fractional Numbers. Operations.
publishDate 2008
dc.date.none.fl_str_mv 2008-12-28
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105
url https://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://www.periodicos.rc.biblioteca.unesp.br/index.php/bolema/article/view/2105/1830
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv UNESP - Campus de Rio Claro - Instituto de Geociências e Ciências Exatas
publisher.none.fl_str_mv UNESP - Campus de Rio Claro - Instituto de Geociências e Ciências Exatas
dc.source.none.fl_str_mv Bolema: Boletim de Educação Matemática; v. 21 n. 31 (2008); 55-78
1980-4415
0103-636X
reponame:Bolema: Boletim de Educação Matemática
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Bolema: Boletim de Educação Matemática
collection Bolema: Boletim de Educação Matemática
repository.name.fl_str_mv Bolema: Boletim de Educação Matemática - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv bolema.contato@gmail.com||romiarka@gmail.com
_version_ 1800215873529577472