六下Unit1 B Let’s read教案及教學反思

pep小學英語unit1 b let’s read 的教案及反思
一。教學目標與要求
 1。能夠聽、說、認讀let’s read 部分的內容；特別是能聽、說、認讀單詞：squid, lobster,shark,seal,whale和單位詞ton,meter,kg,cm;
2。能聽、說、認讀短語和句子：can dive into the deep cold water/jump out of water.each up to 20 cm long.并能正確完成填充句子的練習。
二、教學重、難點分析 
1。本課時的教學重點是讓學生理解、會讀文段內容；并能正確理解幾個單位詞：ton,meter,kg,cm.
2.本課時的教學難點是本部分語言知識含量大，教師需要幫助學生充分理解。
三、課前準備
1。教師準備錄音機、本課時錄音帶和課件
2。有關鯨魚的圖片
四、教學步驟
step1.warm-up
1。師生用英語互致問候
2。free talk
     a: how tall/heavy are you?
     b: i’m……
     a:i’m…..i’m ……than you.
     b:yes,i’m …..than you.
教師和一生做示范，然后讓三、四組學生互相交談。
（設計意圖：通過創設真實的情景，讓學生鞏固對身高和體重進行比較的語言表達法，并對下一步的閱讀理解打好基礎。）
 3。let’s chant
     older ,older, i’m older than you.
     taller, taller ,i’m taller than you .
     stronger ,stronger, i’m stronger than you .
     younger, younger, you are younger than me .
     shorter, shorter, you are shorter than me.
     thinner, thinner ,you are thinner than me .
     but, my hair is longer than yours.
         my eyes are bigger than yours.
（設計意圖：通過朗朗上口的兒歌，既復習了形容詞的比較級，也提高了學生學習英語的興趣，將學生的注意力轉移到課堂中來，為提高課堂效率做好準備。）
step2。pre-reading
(1) 課件展示兩只魚，一條鯨魚和一條金魚
teachet says: “look, there are two fish,which fish is bigger,the black one or the red one?” the students answer it together . then teacher says: “yes,the black one is bigger,and we call the black fish whale.”板書“whale”,并教讀。出示抹香鯨和虎鯨的圖片,teacher says: “this is a killer whale. this is a sperm whale.”
板書并教讀單詞 “sperm whale”和“killer whale”. 學生跟讀并齊讀數遍。
    (2) 課件呈現兩種鯨魚的長度，教師說：“the sperm whale is 15 meters.the killer whale is 8 meters. 板書并領讀 meter, teach:1meter=100cm, let the students guess the  meaning of “meter” teacher says 1 meter=100cm, 15 meters=1500cm, 8 meters=800cm.
    (3) 課件呈現兩種鯨魚的重量，teacher says: “the sperm whale is 35 tons. the killer whale is 3600kg.”板書并領讀3600kg. teachet says: “1000kg=1ton.”板書并教讀 “ton” let the students guess the meaning of “ton”.teachet says: “1000kg=1ton,3600kg=3.6tons “