Module 4 Unit 2 How much is it? Teaching aims:Learn the new sentences: A : How much is ? B : It is+ _ yuan. Key and difficult points: The student can use the new sentences. Teaching tools: ppt ,some commodities. Presentations: .Warming up: Greetings. .Show some money to students, then lead to the new sentences: A: How much is? B: It is +_ yuan. .Practise: a:Pair work. b:Lets go shopping. .Summary. .Homework.