ollada matemática (santiago de compostela)
TRANSCRIPT
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OLLADA
MATEMÁTICA
2.º ESO CIES XELMÍREZ I (SANTIAGO DE COMPOSTELA)
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1.ª FASE
OBSERVACIÓN
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Rombos
HexágonosTriángulo rectángulo
Círculos
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Círculo, cadrado e rectángulosTriángulo equilátero e
círculo
Octógonos
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Esfera
CircunferenciasCilindro
Cono
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Prismas, pirámides e troncos de pirámides
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Triángulos, círculos, pirámides...Pirámide e ortoedro
Prisma octogonal
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2.ª FASE
EXPERIMENTACIÓN
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1. OS
FAROIS DO
CAMPUS
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Para calcular a altura
do farol medimos a súa
sombra (360 cm) e a
dunha compañeira (226
cm) de estatura 170 cm.
Utilizando a semellanza
de triángulos, obtivemos
unha altura de 271 cm.
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A
“PERONA”
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Para calcular a altura da
“Perona” (abeto plantado
por Eva Perón en 1947)
empregamos o mesmo
procedemento das sombras
anterior.
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3. MONUMENTO “VAE
VICTIS”
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As 34 pezas deste
monumento teñen forma
de trapecio e están
dispostas en dous grupos
idénticos de 17 cada
unha. Para calcular a
superficie total achamos
a dos máis pequenos e,
tras comprobar que
estaban en progresión,
obtivemos 108 m2.
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4. ESTATUA
DE
FIGUEROA
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Para calcular a
altura da estatua
utilizamos a un
compañeiro como
observador e a
outro como
“poste”.
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COMO SE FIXO
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Colera, J; Gaztelu, I. (2012). Matemáticas 2. Grupo Anaya.
http://www.juntadeandalucia.es/averroes/iesarroyo/matematicas/
materiales/2eso/unidad9.pdf
http://www.santiagoturismo.com/monumentos-del-parque/manuel-
ventura-figueroa
http://www.arbolespatrimoniovivo.es/?p=404&lang=es
http://www.foroporlamemoria.info/noticia.php?id_noticia=2382
BIBLIOGRAFÍA