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求知欲,激發(fā)他們的探究需求。 小朋友,前兩節(jié)課我們一起學(xué)習(xí)了有關(guān)長方體和正方體的一些知識,我們每個小朋友還回去做了一個長方體和一個正方體的紙盒,現(xiàn)在請大家找一找它們的面。憑你們自己的生活經(jīng)驗知道了它們叫長方形和正方形,真好。 1.給圖形分類。 先請大家把學(xué)具拿出來,這些圖形里哪些是長方形,哪些是正方形的?你能不能把它們分分類?誰愿意上來分?(請一組同學(xué)上來邊討論邊完成學(xué)習(xí)紙) (1)請這組的代表交流,大家仔細(xì)聽,有不同意見可能補充。 我們也不知道,那我們就必須要做一件很重要的事,就是要用以前你們學(xué)過的本領(lǐng)來試著驗證一下(試一試)你的想法是否正確。請在你發(fā)現(xiàn)的秘密邊上打一個☆有沒有更好的方法?折。我們一起來看見6號圖形,為什么說它不是長方形?你能不能用剛才我們發(fā)現(xiàn)的長方形的特點來驗證它到底是不是長方形?大家試一試,請同學(xué)交流,角,邊。(三)進一步探究、拓展(一組上來討論完成)討論、教師板書。 2.運用學(xué)得的長方形和正方形的特征來判斷,解決圖形分類時所產(chǎn)生的問題,統(tǒng)一看法。 看一看2號圖形是不是正方形,你怎么知道的?這又一次提醒我們大家通過觀察以后有了自己的想法還是不夠的,你們一定要試著想辦法去驗證我們的想法是正確的才行。 剛才我們對長方形和正方形有了進一步的認(rèn)識,在學(xué)習(xí)中你們發(fā)現(xiàn)長方形和正方形有什么相同和不同的地方?比較討論。3.提高與拓展?,F(xiàn)在老師為大家準(zhǔn)備了一些小的正方形。為什么一排4個要排4排,不是排3排?如果一排3個,排幾排?9個拼正方形,如果拿掉一個,要使它還是正方形,可以怎么拿? 通過今天這節(jié)數(shù)學(xué)課的學(xué)習(xí)你們有什么收獲?數(shù)學(xué)教學(xué)是數(shù)學(xué)(思維)活動的教學(xué)。(4分)(4分)(3分)這樣,學(xué)生經(jīng)歷了知識的形成過程,在數(shù)學(xué)活動中學(xué)會了數(shù)學(xué),應(yīng)用了數(shù)學(xué),獲得了數(shù)學(xué)學(xué)習(xí)的基本方法。 學(xué)生在“做數(shù)學(xué)”中實現(xiàn)了數(shù)學(xué)知識“再創(chuàng)造”,創(chuàng)新意識與實踐能力也因此得到了培養(yǎng)與發(fā)展請您刪除一下內(nèi)容,O(∩_∩)O謝謝?。。 綜hina39。s animation outpouring that are not to be missed. Let39。ShanghaiFilm violence, and lack of suitability for children39。teacher in Turkish, is the respectful name for people who own wisdom and knowledge. The hero39。t want to steal food like other mice. Shuke became a pilot and Beita became a tank driver, and the pair met accidentally and became good friends. Then they befriended a boy named Pipilu. With the help of PiPilu, they cofounded an airline named Shuke Beita Airlines to help other animals. Although there are only 13 episodes in this series, the content is very pact and attractive. The animation shows the preciousness of friendship and how people should be brave when facing difficulties. Even adults recalling this animation today can still feel touched by some scenes. Secrets of the Heavenly Book Secrets of the Heavenly Book, (Chinese: 天書奇談)s contents on the stone wall of a white cloud cave in the mountains. He was then punished with guarding the book for life by the jade emperor for breaking heaven39。painting, including pavilions, ancient architecture, rippling streams and crowded markets, which fully demonstrate the unique beauty of China39。movies. Nezha Conquers the Dragon King(Chinese: 哪吒鬧海)s feud with Nezha over his son39。Journey to the West. The main character is Sun Wukong, aka the Monkey King, who rebels against the Jade Emperor of heaven. The stylized animation and drums and percussion acpaniment used in this film are heavily influenced byOpera traditions. The name of the movie became a colloquialism in the Chinese language to describe someone making a mess. Regardless that it was an animated film, it still became one of the most influential films in all of Asia. Countless cartoon adaptations that followed have reused the same classic story Journey to the West, yet many consider this 1964 iteration to be the most original, fitting and memorable, The Golden Monkey Defeats a Demon【金猴降妖】 The Golden Monkey Defeats a Demon (Chinese: 金猴降妖), also referred as The Monkey King Conquers the Demon, is adapted from chapters of the Chinese classics Journey to the West, or Monkey in the Western world. The fiveepisode animation series tells the story of Monkey King Sun Wukong, who followed Monk Xuan Zang39。s Film Festival Award in 1989. McDull【麥兜】 McDull is a cartoon pig character that was created inby Alice Mak and Brian Tse. Although McDull made his first appearances as a supporting character in the McMug ics, McDull has since bee a central character in his own right, attracting a huge following in Hong Kong. The first McDull movie McMug Story My Life as McDull documented his life and the relationship between him and his McMug Story My Life as McDull is also being translated into French and shown in France. In this version, Mak Bing is the mother of McDull, not his father..