Step2 presentation

1. T:There are forty-five exercise books on the desk,please give out after the class, all right?

(导入 give out,all right-give out apples/books/pens/pencils左右手操练轮流单词)

2. T: Now,you sit on the chair, I stand on the floor.

(导入 floor)

3. 复习单词:give out,all right, floor, begin(Borm游戏)

4. T：How many students are there in our classroom？Let's count：one，two...thirteen，fourteen，fifteen ，sixteen

（导入 thirteen，fourteen，fifteen，sixteen）

three-thirteen

four-fourteen

five-fifteen

six-sixteen

发现书写规律：后缀teen

（Read in groups，T says：three，S s say：thirteen全部读，个别读）

5.16+1=17 17+1=18 18+1=19（导入 senventeen，eithteen，nineteen）

6.Game：

①（算一算）15+1 13+5 18+1 12+4 9+8