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Ability aims:
1, Students can use the following sentence to describe the numbers. ??
2, Learn to cooperate with others and communicate with their partners.
Emotion aims:
1，Be confident during studying English.
2，Train students to use the numbers.
3，The students will like to have this lesson. They will get fun from it.
Teaching key and difficult points:
Key Points:
words:?plus, minus,zero.
patterns：How much is one plus one?
Difficult Points:
Students can use the sentences to ask questions..
Teaching methods：
TPR，situational approach, communicative approach
Teaching aids:
PPT, a tape recorder, words cards, video
Teaching Procedures:
Step1. Warm-up
(1) Greetings
(2)Talk freely. Look at pictures, try to guess it.
(3) Have a revision:
Let’s do! (Students do the actions.)
(Purposes:利用上学期学习过的数字单词复习导入,既复习旧知也让学困生在旧知中感受英语，为新内容学习做好铺垫。)
Step 2. Presentation
1.?Show a magic tree and ask some questions, example:
T: Can you guess “Who are they?”
S1:zero.
T: Very good!
S2: two .