人教新版四年級英語下冊 Unit2 There are forty students in our class Lesson 8教學設(shè)計教學目標：（1）通過介紹Miss. Green，使學生結(jié)識新老師并學習數(shù)字30-40。（2）通過理解新老師，了解本班的同學男生數(shù)和女生數(shù)，學習本課新內(nèi)容：thirty, forty, boy, girl以及句子How many students are there in your class? There are forty.教學重點：通過典型圖片和生動的教學活動，激發(fā)學生的學習興趣，使學生在愉悅的學習氛圍中，很自然地習得生詞thirty, forty,并掌握四會單詞boy和 girl教師能夠利用簡筆畫、教學卡片和錄音輔助教學。教學難點：通過真實的語境，引導學生在觀察、探索的過程中，逐步領(lǐng)悟并習得本課語言知識，能用There are.語句表達人物和事物的多少；能理解并模仿本課對話實行交際。課前準備1準備錄音機、教學掛圖、ppt. 2準備各類房間圖。教學過程1、熱身復習(Warm-upRevision)（1）播放Number Song，讓學生在歡快的歌曲中進一步熟悉數(shù)字。（2）復習數(shù)字。看圖，填數(shù)字?？磮D，說電話號碼，回答問題How old is he? How old is she? 為學習新數(shù)字做鋪墊。2、新課導入(Presentation)（1）讓學生按座位報數(shù)，學習30 thirty, 40 forty.然后問學生T： How many students are there in your class? Ss： There are forty.T： How many boys are there in your class?Ss： There are. T： How many girls are there in your class?Ss： There are.（2）教師板書單詞。girl, boy,30 thirty, 40 forty,讓學生主意boy和girl的書寫。（3）學習30 thirty和40 forty,教師出示課件，要求學生讀13和14：thirteen和fourteen教師注意指導thirteen和fourteen以及30 thirty和40 forty讀音的區(qū)別，并介紹四個數(shù)詞詞綴的特點。（4）教師按照學生花名冊點名numbers l40，再問其中的一名學生：Whats your number?學生答： Im number同桌學生互相問答。通過真實的情景問答，鞏固數(shù)字，引出會話重心數(shù)字3040。（5）向?qū)W生看課本，教師介紹Miss Green is a new English teacher.她想了解班里的學生數(shù)目情況。How many students are there in your class? How many boys are there in your class? How many girls are there in your class? 教師播放錄音，學生模仿、跟讀。（6）分角色朗讀課文，練習課文對話。3、趣味操練(Practice)（1）報數(shù)。學生分成小組，兩小組學生上臺，聽教師指令排好隊(Line up)，然后報數(shù)115(Count from l-40)。看哪組排隊快、靜、齊，報數(shù)響亮、準確。（2）倒數(shù)。在有些情況下我們需要倒數(shù)增強緊迫感，如發(fā)射衛(wèi)星。如學生對數(shù)詞較熟悉，教師可要求他們倒數(shù)，這項任務更有挑戰(zhàn)性。（3）數(shù)數(shù)班上的男、女生,然后選出3名學生，分別把30、40、10的編號貼在他們胸前，讓3名學生有40、30、10編號的同學分別問How many students are there in your class? How many boys are there in your class? How many girls are there in your class? Ss answer: There are. （4）出示課件圖片，讓學生聽錄音，看歌詞并且chant. 然后看這三位同學，在chant.(5)總結(jié)數(shù)字的用法：獨立的數(shù)字（1-12) one 1 two 2 three 3 four 4 five 5 six 6 seven 7 eight 8 nine 9 ten 10 eleven 11 twelve12以-teen結(jié)尾的數(shù)字（13-19）thirteeen 13 fourteen14 fifteen 15 sixteen 16 seventeen17eighteen 18 nineteen194、板書設(shè)計：Lesson 8How many students are there in your class? There are forty.thirty, forty, boy, girl5、作業(yè)設(shè)計：1.Do a survey about the school class number. 2.Copy the new words