<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1516-7313</journal-id>
<journal-title><![CDATA[Ciência & Educação]]></journal-title>
<abbrev-journal-title><![CDATA[Ciência educ.]]></abbrev-journal-title>
<issn>1516-7313</issn>
<publisher>
<publisher-name><![CDATA[Universidade Estadual Paulista (UNESP)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1516-73132013000200004</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Geometria dinâmica na sala de aula: o desenvolvimento do futuro professor de matemática diante da imprevisibilidade]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Guilherme Henrique Gomes da]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Penteado]]></surname>
<given-names><![CDATA[Miriam Godoy]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A04">
<institution><![CDATA[,Universidade Federal de Alfenas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Universidade Estadual Paulista  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2013</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2013</year>
</pub-date>
<volume>19</volume>
<numero>02</numero>
<fpage>279</fpage>
<lpage>292</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_arttext&amp;pid=S1516-73132013000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_abstract&amp;pid=S1516-73132013000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://educa.fcc.org.br/scielo.php?script=sci_pdf&amp;pid=S1516-73132013000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Este artigo é baseado em resultados de uma pesquisa cujo objetivo foi analisar como futuros professores de matemática, vinculados a um grupo de estudos, se apropriaram de um software de geometria dinâmica, de forma a inseri-lo em atividades de ensino. O grupo se reuniu para ler e discutir artigos científicos, explorar um software e elaborar uma oficina para alunos do Ensino Médio. Aqui são discutidas reflexões do grupo sobre os imprevistos que podem ocorrer quando o professor atua num ambiente de aprendizagem baseado em Tecnologia da Informação e Comunicação (TIC). São apresentados episódios que ilustram como uma zona de risco pode se constituir numa zona de possibilidades para aprendizagem da docência. O grupo fornece estímulo e condições para se refletir e enfrentar os imprevistos decorrentes de um ambiente computacional, o que impulsiona o movimento para o desenvolvimento profissional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[This paper presents the result of a research aiming to analyze how a study group, of prospective mathematics teachers, used dynamic geometry software in planning activities for a teaching practice. Before practicing with students, the group read and discussed papers from journals, explored Geogebra, dynamic geometry software, and planned a workshop to be held with students at high school level. A special highlight is given to the unpredictability which occurs in a ICT-based environment, and how this establishes a risk zone. Thus there are both technical and mathematical content related risks. The results show that a collective theoretical study was essential for the prospective teachers not to be paralyzed when facing unpredictability. Episodes are discussed illustrating how a risk zone can turn into a fruitful learning environment. The group provides conditions for reflecting and facing the unpredictability of a computer-based environment, stimulating professional development.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Ensino Médio]]></kwd>
<kwd lng="pt"><![CDATA[Ensino de Matemática]]></kwd>
<kwd lng="pt"><![CDATA[Geometria Dinâmica]]></kwd>
<kwd lng="pt"><![CDATA[Tecnologia da Informação e Comunicação]]></kwd>
<kwd lng="pt"><![CDATA[TIC]]></kwd>
<kwd lng="en"><![CDATA[High School]]></kwd>
<kwd lng="en"><![CDATA[Mathematics Teaching]]></kwd>
<kwd lng="en"><![CDATA[Dynamic Geometry]]></kwd>
<kwd lng="en"><![CDATA[Information Technology and Communication]]></kwd>
<kwd lng="en"><![CDATA[ICT]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="Arial, Helvetica, sans-serif"> <h2>Geometria  din&acirc;mica na sala de aula: o desenvolvimento do futuro professor de matem&aacute;tica diante  da imprevisibilidade.</h2> <h3>Dynamic geometry in the classroom: the development of  prospective teachers in the face of unpredictability.</h3>     <p>&nbsp;</p> <h4>Guilherme  Henrique Gomes da Silva, Miriam Godoy Penteado</h4> </font>      ]]></body><back>
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