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          小學 一年級上冊 一年級下冊 二年級上冊 二年級下冊 三年級上冊 三年級下冊 四年級上冊 四年級下冊 五年級上冊 五年級下冊 六年級上冊 六年級下冊

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        新形勢下小學數學教學淺談    發布時間:2019-08-12 23:20:32
        新形勢下小學數學教學淺談
         
        什么是數學,它應該是具有高度的抽象性、嚴密的邏輯性和廣泛的應用性。作為新時代的數學教師,我們應時刻反思自己:應該做到不管外面的風向如何,潮流如何,都要有自己的思想,去粗取精、去虛求實、與時俱進,盡最大努力做好我們的數學課堂
        一、優化課前預習活動,引導學生養成良好的數學學習習慣。
        預習是指學生運用所具備的知識能力,在科學的思維方法指導下,去開展觀察、記憶、聯想、辨析、比較等思維方式,有計劃、有目的地主動學習新知識的過程。為了優化課前預習活動,教師需加強預習指導,首先要改變那種讓學生記下學習目標,把新知識標題變成問句的簡單做法,而應將思維焦點定位在學生的"疑惑"上,設計切合學生實際水平及承受能力的問題,設計有啟發性的、讓學生"跳一跳"就"夠得著"的問題。因而教師需要優化課前預習活動的設計。
        課前預習活動的設計大致內容有:學習要求、舊知回顧、新知預學、思考與練習、存在問題等,學生可據此鞏固舊知識,認識新內容。在"學習要求"中學生可預先了解要掌握哪些內容,用哪些數學思想和數學方法,應達到的目標;"舊知回顧"明確新知識即將涉及到已學過的內容,這些內容恰為新知識的生長點,學生可根據預習活動的提示進行回憶及查閱有關材料;"新知預學"要學生預先去思考、體會一些學習內容并思考一些疑惑;"思考與練習"通過問題、練習的形式引導學生初步嘗試對新知識的運用;"存在問題"主要要求學生通過預習后提出存在的問題及疑惑,教師可事先收集這些"疑問",然后針對問題展開學習、討論。
        、教師與學生間思維交流多一些
        “思維從問題開始”,在課堂教學中,教師巧妙地設置科學的問題,是師生間進行信息和情感交流的重要途徑,是師生的思想認識產生共鳴的紐帶;更重要的是可以激發學生學習的興趣,促進思維,提高課堂教學的效率。有位教育家說:“教學的藝術在于如何恰當地提出問題和巧妙的作答。”提問的藝術越高,對激發學生的求知欲和創造欲就越好。而新課程下的很多課堂提問成為了公開課的一種裝飾,提出的問題沒有質量,教師對學生的回答只是隨意的應和,不加以科學的、深度的引導,使得師生間沒有思維得交流,造成課堂從表面看轟轟烈烈,但是卻少了學生對問題的深入思考和思維的有效提升,提問的積極作用也就轉化成了消極作用。
        我認為教師的課堂提問要做到切口適量,具有數學含量,提一些看似簡單卻能揭示規律的有價值的問題。教師更要組織學生進行有效的對話,利用集體的智慧,取長補短,更要在學生回答出現偏差時及時地引導,學會與學生思維交流。這樣既能讓學生經歷規律的生成過程,又有利于培養學生思維的嚴謹性和概括性。
        三、通過信息技術使用,拓寬信息來源,提供多樣、生動的素材
        學生的學習過程不是教師向學生傳遞知識信息、學習者被動地吸收,而是學習者主動地建構知識意義的過程。每個學習者都是在其現有的知識經驗基礎上,對新的信息主動地進行選擇加工,從而建構自己的理解,而原有的知識經驗系統又會因新信息的進入發生改變。因此,只有在足夠的信息背景下,學生才有“選擇、加工”的空間; 只有與學生生活經驗相聯系的信息,才能促使學生的建構。在數學教學中,我嘗試通過互聯網這個知識信息庫,運用小學生能夠掌握的現代信息技術,改變信息來源,為學生學習數學提供了豐富多彩,具有強烈時代感、真實感的素材,有效地提高了信息的數量和質量,成功地為學生的自主建構提供了可能。
        通過教學方法的改善,教學方式的改變,幫助孩子們健康快樂成長,致力于此,傾心與此,教學的收獲會異常豐碩,愿我們能為社會不斷輸送重禮尚德,習慣良好的全面發展的優秀學生!
         


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        上一篇:新課改革背景下小學數學生活化教學
        下一篇:新議小學數學問題情境的創設



         

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