1.º PORTUGAL - ITÁLIA EM GeCla

ATRACTOR
No âmbito de uma colaboração
entre a Gazeta e o Atractor, este
é um espaço da responsabilidade
do Atractor, relacionado com
conteúdos interactivos do seu
site www.atractor.pt .
Quaisquer reacções ou sugestões
serão bem-vindas para
[email protected]
1.º PORTUGAL - ITÁLIA EM GeCla
Em 2009, o Atractor concluiu o DVD “Simetria – apresentação dinâmica”,
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A
pendente da simetria desse padrão ou friso, que permite
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Figura 1
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matemáticas importantes a alunos mais interessados.
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Pouco tempo depois de iniciada a difusão do DVD,
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R $WUDFWRU FRPHoRX R GHVHQYROYLPHQWR GH RXWUR PDWHULDO
com este DVD criar um instrumento didático para ser usado
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ATRACTORr1.º Portugal - Itália em GeCla
03
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de uma larga faixa etária e procuraria ser útil no estudo e na
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de uma escola portuguesa com outros de uma escola italiaQD QXP WRUQHLR FRP FRQWRUQRV LQpGLWRV ( IRUDP R VXFHVVR
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presente número da Gazeta, na esperança de que mais pro-
Figura 2
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análogas com os seus alunos.
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DQWHV GH GDUPRV PDLV DOJXQV GHWDOKHV VREUH R UHIHULGR WRUQHLR 2 *H&OD WHP XP gerador ÀJXUD TXH SHUPLWH FULDU
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Figura 3
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LFRPRPRWLYRSDUDGHVHQKDUXPIULVRTXHVyDGPLWDWUDQVODo}HVEDVWDHpQHFHVViULRHVFROKHURFDULPERFLOtQGULFRXP
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Figura 4
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04
GAZETA DE MATEMÁTICA r171
Figura 5
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'HSRLVXVDQGRRPRWLYRJXDUGDGRSRGHJHUDUFRPRFDULP-
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da aprendizagem e, após alguma experiência, começar a re-
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corretamente qual o tipo de simetria e o correspondente carim-
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2. Outra secção que permite a realização de uma competi-
Figura 6
Figura 7
Figura 8
ATRACTORr1.º Portugal - Itália em GeCla
05
Figura 9
Figura 10
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GRLVWLSRVQDIDVHVHJXLQWHFDGDMRJDGRUWHPSRLVDSHQDVGH
XP FRQMXQWR GH GHVHQKRV FRP PRWLYRV j VXD HVFROKDH
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uma das incorretas, o primeiro erro cometido. O progra-
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e de uma forma por ele inteiramente controlada. O Atractor
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Atractor, alguns dos quais usam regularmente o programa
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quase in extremisSRUXPDSURIHVVRUDTXHHVFROKHXXPJUXSR
06
GAZETA DE MATEMÁTICA r171
Figura 11
WFigura 12
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apenas atestam a participação dos alunos.
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Figura 13
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organizadores…
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REFERÊNCIAS
DSRLRTXHOKHIRLVROLFLWDGRFRPRHVWDUiSDUDLQLFLDWLYDVDQi-
>@http://www.atractor.pt/publicacoes/entrada2.htm
ORJDVTXHYHQKDPDVHUWRPDGDVQRIXWXURHQYROYHQGRXPD
>@ http://www.atractor.pt/mat/GeCla
RXPDLVHVFRODVDQtYHOQDFLRQDORXLQWHUQDFLRQDO
>@http://www.atractor.pt/mat/GeCla/im4.html
ATRACTORr1.º Portugal - Itália em GeCla
07