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1. Verfasser:	Débora Reis Pacheco
Format:	Artículo científico
Sprache:	es
Veröffentlicht:	Universidade Estadual de Montes Claros 2017
Schlagworte:	Educación Políticas Públicas Educação Matemática Materiais Curriculares de Matemática
Online-Zugang:	https://www.redalyc.org/articulo.oa?id=600166729007
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Materiais curriculares de Matemática e suas relações com políticas públicas brasileiras Débora Reis Pacheco Célia Maria Carolino Pires Educación Políticas Públicas Educação Matemática Materiais Curriculares de Matemática Neste artigo temos como objetivo apresentar alguns argumentos sobre a necessidade de investigar materiais curriculares de Matemática que emergem de políticas públicas. Para isso, analisamos duas políticas públicas que produziram materiais curriculares de Matemática, sendo uma do estado do Ceará e outra do estado de São Paulo. Nossa discussão tem como base principalmente os estudos sobre políticas públicas de Stephen Ball e sobre materiais curriculares de Martínez Bonafé. Em uma análise pontual, destacamos a presença das preocupações com avaliações da aprendizagem na proposição das políticas e no uso de materiais por professores. Por se tratar de uma investigação em andamento, finalizamos o artigo apresentando uma possibilidade de pesquisa sobre materiais curriculares, relacionada aos elementos que circundam e influenciam a produção e uso destes instrumentos no contexto das políticas públicas. 2017 artículo científico 2526-6136 https://www.redalyc.org/articulo.oa?id=600166729007 es http://www.redalyc.org/revista.oa?id=6001 Educação Matemática Debate application/pdf Universidade Estadual de Montes Claros Educação Matemática Debate (Brasil) Num.3 Vol.1

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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