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Ability Objectives:
By the end of the lesson, the students should be able to:
1.Represent addition and subtraction with objects, fingers, metal images and so on.
2.Solve addition and subtraction word problems, and add and subtract within 10.
Affective and thinking quality Objectives:
1.Students will be more interested in learning English.
2.Students will try to think more critically.
【Teaching Key and Difficult Points】
Key points：
Know how to express addition and subtraction in English.
Difficult points:
Know how to add and subtract within 10 in real situation.
【Teaching Procedures】
Step 1 Warm-up
Greetings
T: Hello, boys and girls.
Ss: Hello, Miss Tong.
T:What’s your name?
S1:My name is ....
（设计意图：与学生进行简单交流，拉近与学生的距离,消除学生上课的紧张感。）
Meet the castle.
T: Today we will visit a castle. It has four floors. In each floor, you have to do a task. You can get a reward after doing the task.
Ss: OK.
（设计意图：引入数字城堡，增强课堂的情境性，在城堡里面的每一层设置本节课的任务，完成任务并接受奖励。）
Step 2 Presentation
引入zero
T:Numbers are also in our life. Let’s look at some examples.
T:When you are ill. You can call 120. one two zero.
T:Zero. Follow me, zero.
（设计意图：从生活中的数字引入0，拉近课堂与生活的距离，增添学习的实用性。）