Operations with Rational Numbers and their Meanings based on the Part-all Conception
Autor(a) principal: | |
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Data de Publicação: | 2008 |
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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. |
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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 |