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Studio sull’esempio di protocollo•
Giorgia Giacopini per il suo lavorosulla tesi di laurea
• Giulia Capacci per gli interventi nella
scuole di Padova e Rovigo•
I bambini delle scuole dell’infanzia
Studi su e sviluppo di TouchCounts •
Nathalie Sinclair
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Il pensiero visivo può anche diventare
tecnica di soluzione di problemi.
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1 kg
Un mattone pesa un chilo più il peso di mezzo mattone
Quanto pesa un mattone?
In media, va meglio a chi si rappresenta la situazione visivamenterispetto a chi si concentra solo sui calcoli!
Risposta errata: "un chilo e mezzo"
Risposta corretta : "due chili”
SOLUZIONE ALGEBRICAX= peso del mattone
X=1Kg+1/2X il peso del mattone è 1 Kg piùil peso di mezzo mattone
X-1/2X=1Kg il peso di un mattone meno
mezzo mattone è 1Kg1/2X=1 Kg il peso di mezzo mattone è
1kg
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“! l’uso delle nuove tecnologie è ormai talmente
diffuso nella vita quotidiana da diventare
indispensabile come strumento di comunicazione edi rappresentazione:
le nuove tecnologie sono vere e
proprie representational infrastructures”(Kaput, Noss & Hoyles, 2001).
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Oggi ci sono moltissimi tipi di “ambienti digitali”.Per fare scelte didattiche efficaci è importante
conoscerne alcune caratteristiche importanti:
•
il significati matematici con cui permettono di
mettersi in relazione,
•
apertura/chiusura di un ambiente digitale,
•
il tipo di interazione che consentono,
•
e in generale il loro potenziale didattico;
e tenere sempre in mente qual è il nostro obiettivo
come educatori nell’attività che proporremoall’interno di un particolare ambiente.
79