Physics Problem Solving 1 Physics Problem Solving Jennifer L
Problem solving
Transcript of Problem solving
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PROBLEM SOLVINGUN PROBLEMA DI GEOMETRIADA RISOLVERE IN GRUPPO
CLASSE IV PRIMARIA BAVENOANNO SCOLASTICO 2012-2013
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1 CI SIAMO DIVISI IN 2 GRUPPI
2 PER TUTTI IL PROBLEMA ERA : COSRUIRE
UN POLIGONO USANDO 8 BASTONI DI 4 MISURE DIVERSE
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3 DOPO QUALCHE TENTATIVO E UN PO’ DI
DISCUSSIONE ENTRAMBI I GRUPPI SONO RIUSCITI A COSTRUIRE UN QUADRILATERO IRREGOLARE
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4 ABBIAMO CALCOLATO IL PERIMETRO DEI
POLIGONI USANDO UNITA’ DI MISURA
DIVERSE: I PIEDI DI ALICE E LE SPANNE
DI COSTANZA E FRANCESCO, ABBIAMO
OTTENUTO MISURE DIVERSE
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LA DOMANDA ERA:
QUALE POLIGONO HA IL PERIMETRO
PIU’ LUNGO?
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6 ABBIAMO PENSATO E RAGIONATO
CONFRONTANDO LE NOSTRE IDEE E
INSIEME ABBIAMO SOPERTO CHE
I PERIMETRI DEI 2 POLIGONI ERANO
CONGRUENTI PERCHE’ ABBIAMO USATO
GLI STESSI BASTONI DELLA STESSA
MISURA
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PARTE SECONDA
1 OGNI GRUPPO HA MODIFICATO IL
SUO POLIGONO TOGLIENDO UN
BASTONE
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2 LA DOMANDA ERA ANCORA:
QUALE POLIGONO HA IL PERIMETRO
PIU’ LUNGO ?
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3 PER DARE LA RISPOSTA ABBIAMO
CONTROLLATO QUALE BASTONE
AVEVANO TOLTO DALL’ ALTRO
POLIGONO E POI LI ABBIAMO
CONFRONTATI
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4 IL PERIMETRO PIU’ LUNGO ERA QUELLO
DEL POLIGONO A CUI AVEVANO TOLTO
IL BASTONE PIU’ CORTO
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PER RISOLVERE IL PROBLEMA ABBIAMO
DOVUTO APPLICARE QUESTE CONOSCENZE:
REGOLE SUI POLIGONI
REGOLE SUL CALCOLO DEL PERIMETRO
LE UNITA’ DI MISURA
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ABBIAMO UTILIZZATI QUESTI STRUMENTI:
FANTASIA
CONFRONTO DI IDEE
COLLABORAZIONE
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IN QUESTO MODI SIAMO
RIUSCITI A RISOLVERE
IL PROBLEMA E CI SIAMO
DIVERTITI