T: We have four groups, Sam group, Amy group, Daming group and Lingling group. Today we’ll have a race, the group gets the most points is the winner，(出示单词卡winner) “winner”冠军.“Point”, “Point to the window.” .
S:指向窗户。
T：That’s right. Point “指向”.Its the other meaning is “分”。 (出示单词卡片，正面写着 作者: 网站工作室 时间: 2010-8-18 07:37
S: Point.
3. Enjoy a song : 《Ten little Indians》
4. Game: Guess
T: Who can guess what cards I have(出示动物卡片6张). You can say “Have you got…?”
S1: Have you got a monkey?
T: Yes, I have. You can get 2/… points.
…
（设计意图：用歌曲和游戏Guess进行热身，既调动了学生的气氛,又对数字、动物名称和句型Have you got…?进行了复习。在整堂课中都贯穿一个竞争机制，以加分的形式来评比，在比赛算分的同时又可进行数字的学习和巩固。）
Step 2 Leading in and presentation
1. CAI出示图片——20只小狗
⑴.T: Look at these dogs. How many dogs can you see? Let’s count.
S: One, two…twenty.
T: Right! （增加一只小狗）But now how many dogs ?
20 + 1 = 21
twenty and one is twenty-one
T: It’s a hyphen between twenty and one. Don’t forget it.
⑵.T: (回到20只小狗的图片，再增加两只小狗) Now, how many dogs? Who knows?
S: (Maybe some pupils can answer it.)
20 + 2 = 22
twenty and two is twenty-two (S回答后，T带读整句话。)
2、Practice : Do sums
T：Let’s do sums.（一手拿着数字20的卡片）Twenty and three(另一手拿着数字3的卡片)is twenty-three(将两张卡片靠近).
⑴、 Group work
学生按照教师的示范在小组内练习
⑵、请个别学生完成以下六个题目：
20+4 20+5 20+6 20+7 20+8 20+9
T: Who can do it like me will get 3 points.
3．Practice: Rush-to-answer 快答环节
T: I’ll show some numbers, please say the numbers quickly and loudly.
1． T: We usually play cards( 出示热身环节的动物牌)，like poker . Weiwei and his friend are playing game with cards. What game are they playing? Let’s listen the text.
⑴. Play the CD-ROM, listen and point
T: Open the book, turn to page 4, listen and point.
⑵. T: Listen again, and think about three questions:
T: Let’s play cards like Weiwei and his friend. But, how to play? I need someone to help me.╳╳ (学生名)， come here.
T: I have some cards , ╳╳ has some cards, then…(用动作示范两副卡片混合在一起)，I get 1、2、3、4、5 cards, ╳╳ also gets five cards（动作）. If I have two same cards, they’re both mine. OK，now ,start. Have you got a …?(将卡片展示给全班看)