北师大版六年级上册Unit5Lesson2的教学PPT.ppt

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1、授课人：城区汉华小学授课人：城区汉华小学 曹娜曹娜北师大版六年级上册Unit5 Height and WeightLesson 2 Lets PracticeRead Together自探提示（一）自探提示（一）试总结形容词比较级和最高级的变化规则。试总结形容词比较级和最高级的变化规则。longlongerlongestshortshortershortestheavyheavierheaviestbigbiggerbiggestthinthinnerthinnest形容词比较级和最高级的变化规则形容词比较级和最高级的变化规则1. 在形容词词尾直接加在形容词词尾直接加er变变为比较级，或加为比

2、较级，或加est 变为最变为最高级。高级。2. 有些以有些以y结尾的单词，变结尾的单词，变y为为i 再加再加er或或est.3. 还有些单词要双写最后一还有些单词要双写最后一个字母，再加个字母，再加er或或est.Guess and Say123456789101112Which ruler is longer?Which ruler is the longest?oldolderoldestWho is the oldest?How to use which and who?How to use which and who?which 用于用于 “物物”。who 用于用于“人人”。bigsm

3、allWhich planet is bigger? The Earth is bigger. Which planet is smaller? Mars is smaller.MarsEarth自探提示（二）自探提示（二）比较两幅图片，你能发现什么？仿照例句造句。比较两幅图片，你能发现什么？仿照例句造句。Who is the oldest? Rachel is the oldest.Who is the youngest?Jim is the youngest.the Yangtze Riverthe Yellow River全长约全长约6397千米千米 全长约全长约5464千米千米 Whi

4、ch river is longer? The Yangtze river is longer.Which river is shorter? The Yellow river is shorter.Who is the heaviest?Father Bear is the heaviest?Who is the thinnest?Mother Bear is the thinnest.Who is the tallest?Yao Ming is the tallest.形容词比较级和最高级形容词比较级和最高级用法：用法：1.两部分之间相比较，使两部分之间相比较，使用比较级形式。用比较级形式

5、。 2.三个或个以上多个三个或个以上多个之间相比较，使用最之间相比较，使用最高级形式。高级形式。自探提示：（三）自探提示：（三） 将课本将课本62页页Part2里的图片与相对里的图片与相对应的句子连线。应的句子连线。One day, Ann and Ken took Mocky to the town center. They checked their height first.Then they checked their weight.Ken weighted 33 kilograms.Ann weighed 35 kilograms.Something was wrong!Do you know why?14Part 3 16绿色作业：绿色作业：Show the dialogues and the song to your family.17