Unit 3 At the zooPart B Lets learn教学设计I.Teaching objects(1).Knowledge objectsStudents can listen, speak and read the three-skilled words: big, small, long, short.(2) .Ability objects1)Students can use the sentence pattern to introduce the animals correctly: It has. And.2) Students can understand “Lets do” and can do the actions.(3) .Emotional objectsTo bring up their interests of learning English and the spirit of protecting animals.II.Teaching key and difficult points(1) Students can master the three-skilled words and the sentence pattern.(2) Students can understand “Lets do”III.Teaching proceduresStep1 Warm-up and lead in1. GreetingsT: Hi , Good morning ,boys and girls! Nice to meet you, How are you? Now next let sing a chant to begin our class, ok? 2. Lets sing a chant.3. Quick response For example:Touch your eyes.Touch your ears.Step 2 Presentation 1.T shows the picture of new words: Now please look at the picture.They are big head son and small head dad.2.T shows a picture of an ostrich to present the new words.3.To read the new words, write them on the blackboard and read them in different ways.(1) High and low voice(2) Magic fingers(3) Boys and girls4.To teach the new sentences.(1) It has a small head.(2) And a short tail.(3) To take some more examples:a. It has long legs.b.It has a big body.c.It has long legs and a big body.5.Listen to the tape, imitate and read the words and sentences.Step 3 Practice1. Game:The mouthpiece2.Game:Speak in an opposite way3.Read and match Step 4 Consolidation and extension1. Lets do Let the students sing the chant on page 28 and do the actions.2. Draw and say Teacher lets students draw pictures according to the words and sentences we have learned.Step 5 SummaryTeacher shows the blackboard arrangement, students look at the blackboard and sum-up what we have learned today. Now please look at the blackboard and read it. Review the words big, small, long, short,and the sentences “It has .And.”Step 6 Homework1.Listen to the tape, read the words correctly.2.Try to describe the animals with the words and sentences we have learned today.3.Do the exercises in activity book.Blackboard Arrangement: Unit 3 At the zoobig smalllong short It has . And.