四下：lesson18 are you short or tall?教案（四）

　　教学内容分析

　　教材内容分析：本课内容是小学四年级下册Unit 3 .Lesson 18 Are you short or tall?通过本课的学习，要求学生能掌握句型How tall are you ?和Are you tall or short ?鈥澋奶嵛屎突卮稹�

　　教学目标

　　1、知识目标：掌握单词metre,了解形容词的比较级，正确问答句子鈥淗ow tall are you ?和Are you tall or short ?鈥�

　　2、 能力目标：能准确测量身高，能在实际生活中熟练运用句子进行问答，能准确表述自己及他人的身高。

　　3、 情感、态度与价值观目标：通过小组合作实际测量，增强学生的合作意识，培养学生在实际生活中运用英语的能力。

　　教学难点分析

　　教学重点：四会掌握How tall are you? I'm ____metres tall.

　　教学难点： 身高的表达方法，形容词比较级。.

　　教学课时：一课时

　　教学过程：

　　Class Opening and Review

　　a. Greeting

　　b. Sing＂How old are you?＂

　　c. Review the words:tall, short , metres, point second ,first ,feel by showing the word-cards.

　　New Concept

　　Step1: Learn sentences :How tall are you ?和Are you tall or short

　　a. Lead-in

　　T(Point a student ):What`s your name ? How old are you ?

　　S1: My name is _______. I'm ____years old .

　　T :(ask go on ) Are you tall or short ?

　　S1 :I'm tall .(老师板书此句型学习，可以让学生把How old are you ?中的old 用tall替换 ）

　　T: How tall are you ?

　　S1: I don't know .

　　T:The teacher take out a ruler. Oh. You're 1.3 metres tall. (Write the sentences　on the blackboard.) 鈥淧oint鈥�, say it, please.

　　b. Show some numbers: 4.1, 5.6, 3.4, 22.8, 38.46, 74.319, 0.8

　　c.Show a ruler. 0.8metres 0.8m 1m

　　d.Guess?Show some animals pictures What animal is it? It's very tall. How tall is it?

　　e.Groups work

　　(设计思路: 在较为真实的情境中使用所学的语言，做到学以致用，并在活动中增强合作精神.)

　　f. Ask and answer (check the result)

　　Step 2: Learn 鈥渢aller鈥� and 鈥渟horter鈥�

　　a. 老师请一位高个子的同学到前面来，教师问：What鈥檚 his name? How tall is he? （经过回答和量出他的身高）同样再请一位低一点同学上前，老师问：What鈥檚 his name? How tall is he? 通过这两个同学身高的比较知道：ZhangPen is taller. MaMing is shorter.进一步学习taller than , shorter than 。为了便于理解，可以再选一组同学进行比较练习。

　　b。 同桌之间进行练习。

　　Step3： Listen and read the text .

　　Ways： Listen to the tape , listen to the teacher ,boys read ,girls read

　　Step4:Follow the audiotape, answer the question.

　　1) How tall is Kim?

　　2) How tall is Danny?

　　3) Is Danny taller?

　　Exercises: 　Fill in the blanks.

　　How ____ are you? I'm 1.2 metres tall.

　　How tall ___ Kim? _____ is 1.3 metres tall.

　　Tom is 1.1m tall. Jim is 1.4m tall. _____ is taller and ____ is shorter.

　　Class closing :

　　Sing"Goodbye"

　　作业安排

　　了解家人的年龄和身高。