认识平年和闰年20070828（Understanding of common and leap years 20070828）.docVIP

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2017-08-02 发布于河南
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认识平年和闰年20070828（Understanding of common and leap years 20070828）.doc

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认识平年和闰Understanding of common and leap years Understanding the common and leap years teaching plan 2007-8-28 Brief hints: The teaching content of this course is the course standard of Jiangsu Education Edition Mathematics the third grade 2 21 common and leap years. This course is for students to learn and know the date based on the teaching of the large and small. The concept of teaching of common and leap years, understand the difference of common and leap years, grasp the judgment method of common and leap years, at the same time think of doing with a quarter concept. Students should pay attention to provide students with rich learning material, organize students to carry out observation, comparison, induction, exchanges and other activities, in the activities of that phenomenon, explore the law, self construction, and gradually found the judgment method of common and leap years. Teaching process: Flow 1: basic exercise a Process 2: teaching examples Process 3: think about doing 2 Process 4: think about doing 3 Process 5: think about doing 4 Process 6: think about doing 5 Process 7: teaching thinking Process 8: summarize the whole lesson Process 1: basic exercises The courseware shows the following set of questions. 1. how many months are there in a year? The number of about 2. a year? Which months are they? What are the 3. moon of the year? Which months are they? 4. days is the number of large and small? T: look at the screen. Please answer some questions on the screen. (pause) Teacher: 12 months a year, there are 7 large and 4 small. Which is neither big nor small February, why is this? What are the special mysteries of February? In this lesson, we continue to learn about the day and month. Show the topic: common and leap years Process 2: teaching examples Examples of courseware: D: the screen shows the calendars of February 2004 and February 2005. Do you observe the two calendars, the same number of days in February 2004 and February 2005? (