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Bryłki w origami - metody aktywizujace.
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Nauka składania brył metodą origami - innowacyjna metoda nauczania.
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Bryłki w origami - metody aktywizujace.
1.
Geometria przestrzenna a
kartka papieru Beata Wąsowska-Narojczyk
2.
3.
1. Składamy kwadrat
na połowę. Konstrukcja modułu
4.
2. Każdą połówkę
kwadratu składamy jeszcze raz na pół. Otrzymujemy kwadrat podzielony na cztery identyczne prostokąty.
5.
3. Zaginamy w
dwóch przeciwległych rogach trójkąty prostokątne (na szerokości ¼ kwadratu).
6.
4. Kwadrat składamy
zagięciami do środka.
7.
5. Zaginamy trójkąt
prostokątny wzdłuż przeciwprostokątnej (na szerokości ¾ kwadratu).
8.
6. Nakładamy ¼
kwadratu na duży trójkąt i wywijamy na zewnątrz mały trójkącik.
9.
To samo robimy
po przeciwnej stronie kwadratu (pkt. 5 i 6).
10.
I tak powstaje
równoległobok.
11.
7. Równoległobok zmieniamy
w trapez prostokątny (odwracając i zaginając trójkąt prostokątny.
12.
Czynność powtarzamy i
tak powstał pojedynczy element konstrukcyjny (moduł).
13.
Składanie modułów Przygotuj
6 identycznych kolorowych modułów (pkt. 1 – 7).
14.
Bierzemy dwa moduły
i wsuwamy wystające trójkąty do „kieszonek” w sposób pokazany na zdjęciu. Efekt końcowy
15.
16.
17.
18.
Efekt końcowy
a można też tworzyć inne bryłki…
19.
Dwunastościan foremny zbudowany
z modułu trójkątnego (można też zbudować sześcian) . A może złożysz taką bryłkę?
20.
Bibliografia Zdjęcia: Andrzej
Stawarz, nauczyciel matematyki w SP nr.1 w Pstragowej Zdjęcia i diagram: Halina Rościszewska-Narloch, 8 października 2010r. Dziękuję za uwagę
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