| The compulsory education mathematics curriculum standards(2011 Edition)indicates:Teaching activity is interactive exchanges and common development,it needs participate in actively between teachers and students.The standard emphasizes students should thinking positively,hands-on practice,independent exploration and cooperation and exchange in the teaching activities;It emphasizes teachers should be based on students’ cognitive development levels,geared to the needs of all students,paid attention to the heuristic teaching and individualized teaching.Under the guidance of the standard,mathematics teaching activity should pay attention to training students’ autonomic learning habit. Preview is a key way to the students’ autonomic learning. Through the preview,studengts can pointed to learn new knowledge positively in the class under the teachers’ inspiration and guidance,know about which knowledge is unkown and needing attention increasingly,understand the content of the new.Through Using the preview designs of the teacher,give students inspiration and prompt them learnning spontaneously.This research through to the preview of junior students mathematics situation investigation,combined with specific teaching situation,aims at discussing the statuses:how to preview design, how to deal with the preview math class,how to promote developping the ability of learnning independently.The main points include these details:This dissertation includes seven chapters.In the first chapter,it discusses about the purpose and planning of the research under the requirement of the new curriculum reform about autonomic learning and the feature of the teaching of Mathematics;The second chapter is literature review about the mathematic preview,incudes what the mathematic preview is,how it can do,what attitude do it and the design status of it;The third chapter introduce the specific details of this investigation about its object,the purpose and the tool’s design;In the fourth,it discusses the theoretical basis which is used to direction the data analysis and the research of teaching;The fifthchapter is the data analysis,the results display two statuses:Firstly,girls are more independent than the boys,boys are more dependent than girls who need the teacher’s help in the mathmatic preview;Secondly,the new teachers are unskillful than the senior teachers in the design and operation of preview,the new teachers should strengthen to do it well in the teaching activities.In the sixth chapter makes some requests about teacher how to design preview under analysis of the teaching case.The last one is conclusion and reflection,it discuss this details:definite the ourposes of mathematical preview’s function,the requirements of mathematical preview design and how the teacher treat it;In the reflection,discuss mainly this details:the problems of preview design,how to conduct the preview well,the new expectations to the elaboration processes of and the evaluation system preview. |
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