871 resultados para Limites (álgebra)


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This work aims to investigate the presence of algebra in Brazilian school legislation, from 1980 to the present day. The research was developed through qualitative research, with phenomenological approach, using hermeneutic procedures for the analyzes of legal texts. Survey data were obtained through a survey about the educational legislation, specifically referring to the elementary school, guided by the question how is the presence of algebra in brazilian school legislation that organizes the elementary school?. In possession of the data, the analyzes were carried out considering the historical, social and political environment in which the laws were introduced, focusing the educational landscape of the time, as well as the movements that influenced the teaching of mathematics in the country. The analysis of each text -law were arranged in a row explanatory tables of a meta understanding about the observed. The meta understanding of the documents was drawn up on the basis of the convergence of analyzes that resulted in nuclear ideas of the law texts. At the end a comprehensive synthesis is presented, outlining the movement in which algebra is inserted in schools, through the educational legislation

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Beekeeping is recognized as promoter of assumptions and dimensions of sustainable development, supported by the triple bottle line – economic viability, social relevance and environmental prudence. Historically, it is strongly related with the central state of São Paulo. This work has as main objective to identify the profile of beekeeping in the this region, based on four municipalities (Araraquara, Descalvado, Rio Claro and São Carlos) in order to determine the main difficulties faced by beekeepersfor the sustainable development, pointing alternative interventions able to soften the effects of difficulties. It was used two different and complementary methodological strategies. The first one was a search with the databases (SEADE and IBGE) to obtain secondary data and quantitative regarding beekeeping in the region. The second one, it wasthrough field research with the beekeepers. The survey found that beekeeping in the region, presents an essentially familial and hereditary. Was also noticed the damage caused in the production, by limiting access to the region’s bee pastures and use of pesticides. In processing, it was found the extremely precarious conditions. At the institutional level, it was found the relative weakness of the beekeepers cooperatives, and the lack of support from local governments to consolidate activity.

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This paper provides an overview of the key findings of a survey that sought to examine the relationship between local government agencies and agrarian reform communities in the State of São Paulo, particularly with regard to the types of support that have been provided by these agencies to the economic activities of settlements. The research was part of the project "The agencies and services involved in the implementation of public policies for equity and growth", which was supported by the Instituto de Colonização e Reforma Agraria (INCRA/SP), whose activities were carried out throughout 2011. In methodological terms, the research was divided into two stages. In the first stage, it sought to identify the main economic activities, vocations and potential of the influencing areas of the Quilombola communities and settlements in their respective regions and micro-regions. Therefore, a survey was conducted based on secondary data. In the second stage, a qualitative, exploratory, empirical, and multiple case study research was conducted. Local public officials, in charge of the institutional relations with the agrarian reform settlements (and quilombolas communities, in this case, one of the municipalities investigated) were the primary source of data for this analysis that sought to evaluate the strength, types and quality of support (plausible or effective) provided by the municipalities to the economic activities of settlements. The results indicated a set of reasonably heterogeneous components, and frequently, distinct, of particular circumstances. Based on the results some proposals for action plans were indicated, which probably would constitute a standard reference for the formulation and implementation of public policies and actions to improve the economic activities of the settlements.

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The main objective of this paper is to answer the following question: how can we draw a parallel, during the analysis of the data, between children who are at different moments in the language acquisition process or who belong to different populations (children that are monolingual, bilingual, with language disorders, etc.)? In order to answer this question, we are discussing the advantages and limitations of adopting a measure like MLU, from English Mean Length of Utterance, or EME as it was named in Brazil, proposed by Roger Brown (1973). We intend to verify the effective contribution of these measures to the studies in the area and propose an adaptation in the studies that use a qualitative approach. Firstly, we recall the study of the criteria proposed by Brown (1973), Scliar-Cabral (1976), Parker & Brorson (2005), Parisse & Le Normand (2006), and Araújo (2007), and by scholars of Brazilian Portuguese morphology, like Câmara Jr (2009), Monteiro (2002), and Kehdi (1990), among others. Secondly, from a dialogic-discursive point of view (BAKHTIN, 2006; BAKHTIN/ VOLOSHINOV, 1992, 1981), we provide as an example the research on the plural in the language acquisition process (HILÁRIO, 2010, 2011b, 2012). The reflections made indicate that EME may be a useful measure for the researches on language acquisition. Nevertheless, adaptations should be done and its inherent problems should be taken into account, especially if other factors are considered – like the age, the number of types/occurrences, the maximum limit of items per utterance etc. – although it is not the only parameter of analysis. Considering that EME may vary according to the conditions of production and may not reflect the qualitative changes in the children’s discourse, other factors should be analyzed, like the context of the discourse, the participants involved etc.

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This article has, as its main subject of reflection, a brazilian experience of intermunicipal cooperation named the "Consórcio Intermunicipal pela Conservação da Natureza na Bacia do Rio Jacaré Pepira" better known as "Consórcio do Rio Jacaré", located in São Paulo State, Brazil. Having its origin in 1985, the consortium is considered the first inter-municipal experience of cooperation witch tried to associate regional development with environmental issues. The research, qualitative in the method, designed as single case study and supported by data collected through desk research, systematized information on the projects and activities of the Consortium, pointing among the members those which effectively beneficed from the supposed cooperation, along with the difficulties faced and the context which led the consortium to the state of stagnation in which plunged after 1999. The results showed that, despite its historical and regional importance, the consortium could not be seen as a management model, being weakened by the political and institutional environment, the local realities, the absence of maturity of partners for joint cooperation, in addition to the lack of clarity on the regional dimension of the projects.

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This study aimed to analyze the limits and possibilities of a didactic sequence, addressing the concept of proportionality in the learning of students in 5th year of elementary school. From the results of the Diagnostic Assessment Initial applied to students in a class of 5th grade of elementary school, we selected eight (8) students who participated in the constituent activities of that instructional sequence. For the development of this sequence were used theoretical elements of Genetic Epistemology (Piaget, 1990), the theory of fields of Conceptual Vergnaud (1996) and the definition of instructional sequence proposed by Zabala (1998). Finally, after 20 days of application of these activities, we applied the Diagnostic Assessment Final aimed at investigating which concepts related to proportionality were built by the participating students. By analyzing the collected data, it can be concluded the following about the possibilities of teaching sequence: 1) students who, in Diagnostica Home Assessment used the multiplication algorithm, but also did not indicate the comparison between quantities are now performing; 2) students who, in the Diagnostic Assessment Initial, used the addition algorithm, now gradually are using the multiplication algorithm; 3)students who, in the Diagnostic Assessment Initial, could not solve problems involving the idea of proportionality, are now resolving, however, still use, in large part, the addition operation as a strategy for this proportional thinking. Now, in relation to the limits of the sequence noted: 1)time sufficient to propose a higher number of problem conditions to be carried by students who may have been a trigger of construction have not through the proportional multiplication;2)the distant proposition situations of assimilation schemes (interpretation) of the students, which may have caused certain imbalance in them, preventing them from thinking about the problem situation;3)the rapid passage of...

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The narratives of Decameron, composed by Giovanni Boccacio in the 14th century, possess a popular content carefully tied together by a formal structure capable of concentrating sophisticated techniques. The present paper revisits some relation possibilities between Decameron and Novellino, an anonymous work from the 13th century, composed on the basis of fables and stories gathered mainly from the oral tradition. Our aim is not to demonstrate a genealogy of the prose and of its freedom to recover narrative situations but to reflect, by means of examples of great reverberation, on the strategies developed to make elements from the ancient tradition highly functional in the literary tradition, according to the formal resources available in each period.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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El cuerpo presenta rastros de la historia y cultura de las sociedades por toda la historia de la humanidad. El presente estudio quiere, através de pesquisas sobre el cuerpo, entender como las modificaiones corporales han acompañado la historia del hombre, de las tribus antiguas hasta la atualidad y como son hoy los procedimientos de cambiar la forma física. Através de trabajo de campo conocer profisionales que hacen algunos tipos de modificaciones corporales y gente que las tienen en sus cuerpos, entender las razones para que cambien sus cuerpos permanentemente - en la mayoria de los casos - y como la idea de individualidad surge cuando se hace una marca personal en el cuerpo. Además, compreender el porque esas prácticas se están convirtiendo cada vez mas común en nuestra sociedade actual

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Sports team, specifically soccer and handball, has traditionally composing the physical education school contents as a curriculum component. There are several criticisms to extend this approach beyond the sportive discourse. While we recognize this need for expansion, we believe that the methodological endeavors to teach these sports content are still very poor, requiring, therefore, studies that guide us in changing not only contents but also the way of teaching it, which implies new e teaching, pupils and teaching relationship perspective. In this sense, the objective of this study was to identify and analyze, from a sports team tactics teaching approaches of invasion, the demonstrations by students, the phases of handball and soccer games, as well as the elements/dynamic structural, functional and operational in the same school environment. Given this objective, qualitative research, specifically, collaborative action research, best meets investigation is this scenario, since classroom teacher and students also participated in the content construction and strategies undertaken during the intervention. The study enrolled 28 students in the fifth grade, aging 10 to 11 years, in a Bauru/SP public school, physical education teacher and the researcher. Were planned and taught together, 14 classes over a semester with the handball and futsal content, guided for teaching tactics approaches. The data collections were made through systematic lessons observation (through filming and recording diary), interviews with students and descriptive reports made by the classroom teacher and researcher. The results indicate that there was an improvement in the phases of soccer and handball game, even though only the latter has changed its category phase to decentralized anarchic phase. Several students showed in the situational interviews, a more elaborate game understanding than the one identified in the game demonstration. In the analysis of relationship levels..

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)