论文部分内容阅读
一、课前谈话、直观引入(4分)1.这是六年级上册的学习内容,请大家花两分钟时间浏览教材,然后提出问题。2.生默看,师巡视,生提问。3.归纳,不外乎两个方面:(1)什么叫放大、缩小?(2)如何放大、缩小?4.师:同学们,老师今天给你们带来了两张精美的照片,想看吗?(想)我们一起来看看吧!(点出很小的一张图片)师:有什么问题?学生可能回答图片太小了。师:有什么要求?学生提出自己的要求:把图片放大一点。
First, the pre-class conversation, intuitive introduction (4 points) 1. This is the sixth grade upper body learning content, please spend two minutes browsing textbooks, and then ask questions. 2. Mo Mo look, division patrol, students asked questions. 3. Induction, nothing more than two aspects: (1) what is the zoom in, zoom out? (2) how to enlarge, narrow down? 4 division: classmates, the teacher today brought you two beautiful photos, want to see (Think) Let us take a look at it! (A very small picture) Teacher: What is the problem? Students may answer the picture is too small. Teacher: What are the requirements? Students make their own request: to enlarge the picture a little.