
3) I have to wear sneakers for gym class(一般疑问句)_____ you ____ ____ wear sneakers for gym classYes, I ____4) They have to wash clothes(提问) ____ do they have ____ ____5) You can’t go out on school nights(换一种表达) _______ go out on school nights6) Don’t talk in class(同上) No _________板书Section A (1a-2d)Main sentences:1

能力点:培养学生观察比较、动手操作的能力德育点:培养学生合作的意识教学重点:使学生在活动中,认识长度单位米,初步建立1米的长度观念教学难点:根据1厘米和1米的实际长度,让学生了解厘米和米之间的进率,知道1米=100厘米教学模式:“自主探究”教学模式教具准备:米尺、软尺教学过程:一、创设情境:1.提问学生自己的哪个手指的宽是1厘米2.让学生在尺上指出2厘米、4厘米、5厘米、8厘米、10厘米的实际长度3.用学生尺量数学教科书的长和宽,并回答量的结果4、一名用学生尺量黑板的长,一名学生用米尺量黑板的长发现了什么引出米尺让学生看看用米尺量黑板的长度要量几次,量完后,提问:“用哪种尺量黑板的长度更方便一些

(提示:小数末尾的0可以去掉)(5)专项练习①下面各数去掉小数点有什么变化034 35 0201 502②把353缩小10倍是多少缩小100倍呢1000倍呢③判断1 35× 227 0(6)小结小数乘整数计算方法计算 7 ×4 07×4 25×7 25×7观察这2组题,想想与整数乘整数有什么不同怎样计算小数乘以整数① 先把小数扩大成整数;② 按整数乘法的法则算出积;③ 再看被乘数有几位小数,就从积的右边起数出几位,点上小数点l 专项练习 练习一 4二、运用1、填空45 ( ) 07 4 ( )× 3 × 3 × 2 × 2( ) 1 3 5 ( ) 1 4 82、做一做 书p2三、体验: (1)今天我们学习了什么

Let other Ss add some rules)3Careful reading1) Read DrKnow's letter and answer this question: What does she think of the school and home rulesLet one student read out his/her answer(She thinks parents and schools are sometimes strict, but they make rules to help usWe have to follow them)ⅦReading1Read the letter again and complete the sentences with have to/ must, can or can't
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