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幼兒園中班數(shù)學(xué)活動《對稱的剪紙》教案

出處：媽媽育兒網(wǎng)日期：2016-06-13 12:02:46編輯：xixi

活動目標(biāo)：

1.認(rèn)識鏡像式對稱圖形。

2.以部分圖形為依據(jù)辨認(rèn)出整體圖形。

重點難點：

1.認(rèn)識鏡像式對稱圖形。

2.以部分圖形為依據(jù)辨認(rèn)出整體圖形。

活動準(zhǔn)備：

1.《我的數(shù)學(xué)》第22頁。

2.復(fù)印紙、剪刀、畫筆。

活動過程：

一、教師用剪刀剪出多個對稱圖形，請幼兒對比圖形和對折紙上留下的圖形。

1.首先把紙對折，從折線這里開始剪。剪出來的圖形是什么樣子的？

2.這些圖形都是以對折線為中線，兩邊對稱。

3.原來的紙上留下的圖形是這個對稱圖形的一半。

二、請幼兒打開《我的數(shù)學(xué)》至第22頁，觀察書中4個剪紙，找到正確的圖形，同時看一看其他的圖形可以怎樣剪出來，用手里的剪刀和紙試一試。

三、請幼兒自己用畫筆仿畫出書中的圖案，再用剪刀剪出來，將剪出的圖形打開，并和原紙上留下的圖形進(jìn)行比對，找到兩者的相關(guān)之處。

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