4、essbignumbersfreely.4教学过程4.1第一学时 教学活动活动1【导入】Step1Warming upStep1.Warming up Show some pictures with large population and make some dialogs between students and a teacher. For example: T: Have you been there? S1: No,I havn’t. T: Would you like to go there? S1: No. T: Why? S1: Because th
5、ere are too many people.. ...................................... Show some pictures with in our daily life numbers and make some dialogs between students and a teacher. T: How do you say it in English? S1: One hundred and fifty yuan T: What about this one? S2: Two thoundsand and eight O
6、lmpic Games T: This one? S3: Thousands of people T: This one? S4: ......Then the teacher ask,“What’s the population of China?” and lead into new lesson.活动2【讲授】Step2、3、4Step2 Reading questioned, independent inquisition 1.Show learning aims. 2.Let the students read and study the following numb
7、ers and find therules. 5.18 five point one eight 100 one hundred 1,000 one thousand 1,000,000 one million 1,000,000,000 one billion 1 , ↓0 0 0 , ↓0 0 0 , ↓0 0 0