Applicazioni Multi-Touch e Geometria Dinamica

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Un applicativo multi-touch in via di sviluppo che fauso di gesti per formare ed operare su numerosità.

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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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Ringraziamenti 

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Il pensiero visivo può anche diventare

tecnica di soluzione di problemi.

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:1##& 4(#,'$()1 6$"2(A#1;$

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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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f) 3()%#,4$()1 

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