英語人教版三年級下冊Unit 4 At the zoo.doc

Unit 3 At the zooPart B Lets learn & Lets doTeaching Aims:1. Students can understand and say the new words: big, small, short, long.2. Students can understand and say the new sentence pattern: It has.3. Students can talk about the animals by using the new words and sentences.4. Students can read “Lets do” and do the actions.Teaching Main Points:Words: big, small, short, longSentence pattern: It hasTeaching Difficult Points:The different meanings of the word “short”.Teaching Materials:word cards, pictures, CAITeaching Procedures:. Warmup1. Greetings .2. Review the body words1) Draw a picture and review the body words.2) Touching game.3. Have students sing a song and answer what they see in this song. 4. Give students some animals and divide the students into three groups . Presentation1. Introduce the words: big, small1) Show students the picture of a tiger which is covered and ask students to guess what it is.2) Introduce the word “big” and have students read after the teacher .Then write it on the blackboard .3) Have students look at the head of the tiger and introduce the sentence “It has a big head”.4) Show students the picture of a rabbit which is covered and ask students to guess what it is.5) Introduce the word “small” and have students read after the teacher .Then write it on the blackboard .6) Have students look at the mouth of the rabbit and ask the students to make the sentence “It has a small mouth”.7) Show students some pictures of animals and ask students to describe them.2. Introduce the words: long, short1)Show students two pictures of monkeys .One has a long tail and the other one has a short tail. 2)Introduce the words“l(fā)ong” and “short” and have students read after the teacher .Then write them on the blackboard .3)Show students some pictures of animals and ask students to describe them.4)Show students a picture of a mother elephant and a baby elephant and have students describe them. Then have students look at the sentences “ Its short . It has a short tail.” and understand the different meanings of the word “short”. Practice1.Show students the picture of an ostrich on page28 and ask students to listen to the recording, then describe it.2.Show students the sentence “ It has a small head and a short tail.” and have students read after the teacher in correct intonation. Then each group has a match. Production1. Ask some students to come to the front and describe the animals in cartoons and other students guess what they are.2. Have students listen to the recording about “Lets do”,then read together and do the actions.3. Have students watch a video about the animals and tell them we should pr