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Month: July 2016

The Mathematics

Posted on July 29, 2016 in News

This ability does not develop itself when we consider only exercises of application of concepts and mathematical techniques, therefore, in this in case that, what it is in action is a simple analogical transposition: the pupil searchs in the memory a similar exercise and develops analogous steps to of that situation, what it does not guarantee that is capable to use its knowledge in different or more complex situations. (BRAZIL, 2002, p.112). When the Resolution of Problems is adopted as education methodology, is necessary to leave explicit that the choice of this option is not restricted only in displaying and deciding questions, but that the agreement of its language is very important, as much in the understanding of the problem as in the conception of the found resolutions, and when the pupil does not perceive the Mathematics as language structuralized in the formalizao of concepts, it does not perceive the functioning mechanisms. 3,2 Symbolic representations: uses and abuses Since the antiquity, the use of symbolic representations was frequent between the humanity, its use age of utility at the time so that the men if communicated ones with the others. The Mathematics for being considered a Science that is present in all the others, it possesss a proper language, and the ones that obtain to understand mathematical meanings are as it was learning to read and to write in another total different language of materna. In relation to these aspects, it is placed that … the fact of the mathematics to be a language (finer and needs that the natural language) that it allows the man to communicate itself on natural phenomena, consequently, it is developed in the course of the history of the humanity since ‘ ‘ sons’ ‘ more elementary, and, therefore closely on to the sociocultural context where if it develops? therefore we speak in mathematical Greek, Hindu, mathematical mathematics pre-Columbian. (D? AMBRSIO, 1986, P.

35) When passing of some decades, these symbologies had been if perfecting and if becoming more frequent. Today, these symbols also are used as representations in the mathematics, in order to inform to who read a mathematical problem the meaning of that it could be written in text form. But, many people are not experts of the diverse symbolic types that are used. Following this same line of reasoning, if perceives that the resources of the communication are basic so that pupils park or advance ahead of an joined difficulty. From the association the metodolgica perspective of Resolution of Problems enters and the communication, we can verify that the pupil, while decides situation-problem, learns mathematics, develops procedures and ways to think, develops basic abilities as to verbalizar, to read to interpret and to produce texts in mathematics.

… Simultaneously, acquires confidence in its way to think and autonomy to investigate and to decide problems. (SMOLE; DINIZ, 2001, P.

Latapack Ball Steel

Posted on July 19, 2016 in News

Word-key: traditional economy, ambient economy, competitive strategies, economic development, sustainable development. INTRODUCTION After almost one decade (1991 the 2001) of constant losses in the market of packings for other materials (as of plastic), the steel starts to recoup its commercial growth by means of an aggressive strategy of marketing and the increase of investments in technological processes to improve the quality of the metal. It was verified that in 2001, the sector put into motion R$ 15,7 billion, value this correspondent 1.5% of Produto Interno Bruto (PIB) Brazilian, generating 140 a thousand jobs indirect right-handers and. According to projections of OPEN – Brazilian Association of Packing, constants in the article ' ' Metallic packings for Bebidas' ' , of the BNDES, they is esteem that the growth of the sector in 2002, has been of five percent. The market of drink cans only reached, in this exactly year, a production of 13 billion units, against 10,7 billion in 2001. Moreover, the data contained in the report of the BNDES (1998), they disclose that they existed up to 1998, five great producers of metallic packs in Brazil, amongst which two if find installed north-eastern (Latasa/PE and the Metalic/CE), three in Southeast (Latasa, that has three branch offices in MG, SP and RIO DE JANEIRO, Crown Cork/SP and the Latapack Ball/SP) and one in the Sul region (ANC/RS). To this respect, it has been distinguished that the Metalic is the only manufacturer to use ' ' ao' ' as raw material of its containers, whereas the too much companies use ' ' alumnio' ' as insumo basic in the elaboration of the related cans. Although ' ' alumnio' ' to be a product of better quality, over all to not being subject to the effect of the corrosion, to conserve the flavor of the drink, as well as providing more slightness of the cans (due to possibility of if confectioning blades of lesser thicknesses of what of the steel cans), without counting on the advantage of the recycling of the comparative aluminum cans to the ones of steel, still thus the Metalic opted to the use of ' ' ao' ' in the manufacture of metallic packings, exactly considering that the necessary investments for the implantation of an industry with capacity for manufacture of 750 million cans/year (of aluminum or steel), are similar, that is, of approximately US$ 60 million.