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【教学设计】一、情境导课(一)课件出示下图,这是小熊超市的一个货架,从中你能知道哪些信息?能根据这些信息提一个数学问题吗?(二)自由提问,并指名回答。(三)出示研究问题:刚才同学们提出了关于减法、加法、乘法等一步计算的问题,那么老师这儿也有一个问题:2包花生和1个蛋糕一共要付多少元?(四)齐声读问题并想一想,要解决这个问题需要哪些信息?教师根据学生的回答板书(两个信息、一个问题)。(设计意图:在现实生活情境中引出计算问题,
【Instructional Design】 I. Situational Courses (1) The courseware shows the following picture, which is a shelf of the Cubs supermarket. From which information can you know? Can you give us a mathematical question based on these information? (2) Ask questions freely and name Reply. (C) to produce research questions: students just raised the subtraction, addition, multiplication and other calculations step, then the teacher here also has a question: 2 packets of peanuts and a cake to pay a total of how many dollars? Questions and think about what information is needed to solve the problem? Teachers respond to the students’ answers (two messages, one question). (Design intent: leads to computational problems in real life situations,