四年级英语上册Unit2第三课时教案 The third period(第三课时) Part A Let’s spell?教学内容与目标课时教学内容课时教学目标Let’s spell·能够感知并归纳i-e在单词中的发音规则，即i-e在单词中发长音/a?/·能够读出符合i-e发音规则的单词·能够根据单词的读音拼写出符合i-e发音规则的单词?教学重点能够读出符合i-e发音规则的单词，并能根据单词的读音拼写出符合i-e发音规则的单词教学难点能够根据单词的读音拼写出符合i-e发音规则的单词教学准备PPT课件、视频等教学过程Step 1: Warm-up & Revision & Lead-in1. Greetings.2. Sing the song—My schoolbag.(出示课件)3. Let’s chant.T: What’s this?Ss: A pig.T: Yes, It’s a big pig. (Write down “big, pig” on the blackboard.)How many pigs now?Ss: Six.T: Good. Six big pigs. (Write down “six” on the blackboard.)Chant in groups. Let’s have a PK. The winner will get a red star.4. Lead-in.T: S1, show me your schoolbag. What’s in your schoolbag?S1: A Chinese book, a maths book…Talk about things in the schoolbags with several students.Teaching purpose课前利用歌曲热身，创设愉快的英语学习氛围。
说唱自编歌谣，复习字母i在闭音节中的发音/?/，并以谈论同学们的书包来引出本课新授部分的情境Step 2: Presentation1. Find the letters: i-e.Find and learn the pronunciation rule of “i-e”.(课件出示:Zoom背书包的图片)(1)T: Look! Zoom has a new schoolbag, too. Wow! It’s nice. (Write down “nice” on the blackboard.)Students read it after the teacher. The teacher underlines the letters “i-e” and teaches /a?/.(2)T: Zoom’s schoolbag is nice. So he likes it very much. (Write down “like” on the blackboard.)Students read it after the teacher. The teacher underlines the letters “i-e”.T: How does “i-e” sound? Yes, “i-e” sounds /a?/. Read after me, /a?/-/a?/-/a?/.Read like this: i-e/a?/-c/s/-ice/a?s/, nice/na?s/; i-e/a?/-k/k/-ike/a?k/, like/la?k/.(3)T: Guess! What’s in Zoom’s schoolbag?Ss: An English book/A Chinese book/…?The teacher clicks the mouse. Show a kite on the PPT. (出示课件) Ss: Wow! It’s a kite.T: Yes, It’s a kite. (Write down “kite” on the blackboard.)Students read “kite” after the teacher. Then the teacher repeats /a?/ and let some students try to underline the letters. (Reward students with some red stars.)Read like this: i-e/a?/-t/t/-ite/a?t/, kite/ka?t/.(4)Click the mouse and enlarge the picture of the kite on the PPT. （出示课件）T: Look! There’s a secret on the kite. What is it? Yes, two numbers: five and nine. (Write down “five, nine” on the blackboard.) Read like this: i-e/a?/-v/v/-ive/a?v/, five/fa?v/; i-e/a?/-n/n/-ine/a?n/, nine/na?n/.(Reward students with some red stars.)(5)T: Zoom has a nice kite in his schoolbag. He likes the kite very much. He flies the kite all day. He’s hungry. He’s eating some rice. (课件出示:Zoom正在吃米饭的图片) （Write down “rice” on the blackboard.）Let students underline “i-e” and read it. Then spell the word. (Reward students with some red stars.)Lead students to observe their common points: “i-e”, the vowel le tter “i” and a silent “e” at the end of the words, sounds the same sound /a?/ with “i”. That is, “i-e” sounds /a?/ in the words.2. Read and match. Teaching purpose教师在教学中通过拆音、拼音和分类等语音意识训练活动，引导学生观察、发现并自己归纳i-e在单词中的发音规则。
T: Look at the PPT. Read the words and match with the pictures. (课件出示:单词like, kite, five, nine, rice及其图片)3. Read after the recording. （课件出示:教材P16 Read, listen and chant部分的音频）(1)Look at the pictures carefully and say something about the pictures.(2)Students listen to the recording.(3)Students read after the recording.(4)Students listen to the chant and circ le the letters “i-e”.Step 3: Practice1. Read, listen and number. (课件出示:教材P16 Read, listen and number部分的音频)T: Turn to page 16 and finish the exercise of “Read, listen and number”.(1)The teacher teaches the word “fine” and students read the words.(2)Listen to the recording and number the words.(3)Check the answers.Answers: 1. pig 2. big 3. fine 4. nice 5. six 6. ice2. Read and distinguish.Read the words in each group and distinguish.3. Listen, circle and write.(1)Give an example.T: Look at the first picture. What can you see?Ss: “Five”.T: Great! Now listen to the recording. (课件出示:“five”的音频) What do you hear?Ss: /fa?v/.T: Good job!(2)Lead students to observe the pictures of this part and try to predict the content of the listening text.(3)Let students listen, circle and write. (课件出示:教材P16 Listen, circle and write部分的音频) Remind them to pay attention to the words’ handwriting.Answers: six big kiteStep 4: Consolidation & Extension1. Try to read the following words. Teaching purpose通过练习帮助学生按照发音规则拼读单词、辨认词形并完成单词的拼写。
Teaching purpose通过尝试利用发音规则拼读单词和按读音将单词分类这两个活动，巩固并检测学生对本节课i-e的发音及发音规则的掌握情况Show some words with “i-e”, just like “time, wife, white, line, bite,Mike, drive” on the PPT. (出示课件)Let students try to spell these words. Then read them aloud.2. Classify the given words.T: Read the following words and classify them according to theirpronunciations. Discuss with your partners. Then report the results.Check the answers.Answers: /?/: A C F J /??/: B D E G H I K?板书设计?作业设计1. Try to find more words with “i-e” that sounds “/a?/”.2. Do the exercises.?教学反思1课前歌曲及教师与学生谈论书包这一话题，都为。