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Le forme geometriche

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nome<br />

1<br />

classe<br />

● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ●<br />

■ Riconoscere <strong>forme</strong> <strong>geometriche</strong><br />

ELMEDI<br />

data<br />

Costruire... una scatola<br />

Ritaglia lungo le linee tratteggiate, piega e incolla in modo da ottenere una<br />

scatola come quella del cioccolato, poi completa.<br />

Osserva la scatola<br />

• Tocca tutte le sue punte e contale. Sono ...... .<br />

• Tocca tutte le sue pareti e contale. Sono ...... .<br />

• Tocca le sue linee di piegatura e contale. Sono ...... .<br />

• Questa scatola ha la forma geometrica di un ................................................................................................<br />


nome<br />

1<br />

2<br />

classe<br />

● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ●<br />

■ Acquisire il concetto di simmetria<br />

ELMEDI<br />

data<br />

L’asse di simmetria<br />

Traccia una linea diritta a metà di questi disegni, poi leggi.<br />

<strong>Le</strong> linee che hai tracciato hanno diviso i disegni in due<br />

parti simmetriche.<br />

Dove è possibile, dividi con una linea i disegni in due parti simmetriche.<br />

La linea che hai tracciato si chiama asse di simmetria.


nome<br />

1<br />

rosso<br />

classe<br />

● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ●<br />

■ Acquisire il concetto di simmetria<br />

ELMEDI<br />

data<br />

Tom e Mot<br />

Colora queste due figure simmetriche rispetto all’asse, che chiameremo r,<br />

osserva e rispondi.<br />

bruco Tom<br />

giallo azzurro blu verde<br />

• <strong>Le</strong> parti del corpo dei due bruchi sono simmetriche? ..................................................................<br />

• Rispetto a che cosa sono simmetrici Tom e Mot? ....................................................................................<br />

............................................................................................................................................................................................................................................................................................<br />

• In quale verso sta camminando Tom? ...................................................................................................................................<br />

• In quale verso sta camminando Mot? ..................................................................................................................................<br />

• Scrivi, in ordine, i colori del corpo di Tom, a partire dalla tua sinistra.<br />

..........................................................................................................................................................................................................................................................................................<br />

• Scrivi quelli di Mot, a partire dalla tua sinistra.<br />

...........................................................................................................................................................................................................................................................................................<br />

• Che cosa puoi notare? ..............................................................................................................................................................................................<br />

.........................................................................................................................................................................................................................................................................................<br />

• Che dimensioni ha il corpo di Tom rispetto a quello di Mot? ......................................<br />

r<br />

bruco Mot<br />

verde blu azzurro giallo<br />

.........................................................................................................................................................................................................................................................................................<br />

rosso


nome<br />

1<br />

2<br />

classe<br />

● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ● ◆ ●<br />

■ Acquisire il concetto di simmetria<br />

ELMEDI<br />

data<br />

...ancora Tom e Mot<br />

Ritroviamo i due bruchi gemelli, Tom e Mot. Colorali come vuoi, ma in<br />

modo simmetrico.<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

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3<br />

TOM<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA<br />

Colora simmetricamente i due gruppi di robot.<br />

Colora i pallini in modo simmetrico.<br />

t<br />

MOT<br />

u

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