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你的位置:首頁 > 幼兒園大班教案 > 幼兒園大班數學教案 > 大班數學活動教案評析《自編加法應用題》

大班數學活動教案評析《自編加法應用題》

來源:屈老師教案

  活動目標:

  1、教幼兒初步學習自編口述應用題。

  2、培養幼兒思維的靈活性。

  3、發展幼兒口語表達能力。

  活動準備:算式卡片、幻燈片、5朵花、鼓一個、圖片(7只鴨子)、每人一套數字卡片。

  活動過程:

  一、1、游戲陽光快車、師生一問一答的形式復習10以內的加減法,(出示加減算式卡片。如2+3=5 小朋友告訴我,你的汽車幾點開?老師告訴你我的汽車5點開。)

  現在請小朋友看圖片,要求通過觀察思考,能把每道加法應用題的算式和得數說給大家聽。

  幻燈片1、操場上,有2個小朋友在玩,又來了2個小朋友,一共有幾個小朋友在玩?

  幻燈片2、草地上有4只猴子在玩,有2只猴子在吃東西,草地上共有幾只猴子?

  幻燈片3、停車場里有5輛大卡車,還有4輛小卡車,停車場里共有幾輛卡車?

  教師邊指圖邊口述,有的幼兒搶答,有的分組比賽,有的集體回答。

  2、宣布新課:小朋友,你們已會做許多加法應用題,你們能不能出加法應用題給別人做呢?這節課,老師教你們編加法應用題好嗎

  二、授新課

  1、創設情景編題。

  老師請兩個小朋友到前面來,要求其他幼兒仔細觀察,看老師在做什么?

  (老師表演:先發給一個小朋友2朵花,又發給一個小朋友3朵花)教師問:老師在做什么?

  接著,教師用發小紅花給小朋友這件事,用“2”和“3”這兩個數示范編一道加法應用題:“老師發小紅花給小朋友,先發給小朋友2朵小紅花,又發給小朋友3朵小紅花,老師一共發了幾朵小紅花?(幼兒列算式)

  2、講解編題方法

  教師通過反復提問“老師剛才編的這道題里講了一件什么事?(教案.出自:屈老師.教案網)有哪兩個已經知道的數字?最后還提出了一個什么問題?”向幼兒講清編加法應用題的基本方法和步驟。

  三、鞏固練習

  1、補充問題的訓練,放幻燈片4,老師編題:天空中原來有3架飛機又飛來了4架飛機。

  啟發幼兒思考:老師剛才編的這道題里有沒有講完整?(還要提一個問題)這個問題該怎樣提?請小朋友將這道題完整講一遍,將算式寫在黑板上。

  2、看圖編題的練習

  出示圖片(圖片上有鴨子,大小、顏色、位置不同)請幼兒根據圖片內容編應用題,并用卡片擺出算式。

  3 你編我擺

  兩人一組,一人編題,一人擺算式。

  四、組織游戲——傳球編應用題

  幼兒聽鼓聲傳球,鼓聲停了,拿到球的小朋友跑到前面利用自己平時看到的、聽到的或做過的事情編一道加法應用題給大家聽,編對了老師就獎給一朵小紅花,游戲反復進行。

  五、總結評價

  今天我們學習了編加法應用題,編應用題要有三個條件,一是要說一件事情,二是要有兩個數字,三是要有一個問題,請小朋友回去以后動腦筋想一想編出更多更好的應用題。

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