Study On Learning Disability Of Plane Geometry In Junior High School Students And Its Countermeasures

Plane geometry is further deepened on the basis of primary school learning.Plane geometry knowledge has always been a difficult point for junior high school students,but also the key content of the examination.Plane geometry knowledge is difficult for students,which is mainly reflected in: students do not know how to do,how to think about the problem.And solve problems.Then students in the learning plane when,how confident,learning state;Understanding of concepts and theorems;How to grasp the ability of the figure;How to draw and read pictures;Spatial imagination ability;Ability of logical reasoning;And how well he has mastered mathematical thinking and methods;So what obstacles do students have in learning plane geometry?Problems for students,the author combined with interviews,as well as to the students in the wrong topic of attribution,analyze the reason why there are obstacles students are: the first is the student to learn is not seriously,the second is the foundation of the students in general,the third is the students lack basic computing skills,the fourth is the students' space imagination ability is poorer,fifth,students often confuse the concept,nature,theorem,fifth,students learn the basic knowledge,often float to the surface,did not carry on the thorough analysis;Sixth,there are some problems in students' reading ability and examination ability.The author through the literature,through the students' homework,unit test for students to have a preliminary understanding of learning disabilities,through the design of the questionnaire and test a junior high school students in pingjiang xian research,summed up the students to study in plane geometry induction phase when the problems are mainly concept learning obstacles exist in the repeat,understanding,language learning exists in the characterization of state,see obstacles exist in the graphics learning,thinking obstacles exist in the argument reasoning;So what kind of learning disabilities will occur in the improvement of plane geometry? The author USES SOLO taxonomy to analyze the problem solving levels of students when they solve plane geometry problems,and summarizes that there are cognitive and operational obstacles in the learning of properties and theorems,as well as problems of topic review and adding auxiliary lines in the application of geometry.Through the analysis of blank questions and questionnaires,it is concluded that students have emotional disorders whether they are exposed to plane geometry or in the improvement stage.Problems for students,the author combined the interview,questionnaire,and appear the wrong topic of attribution to the student,analyze the reason why there are obstacles studentsare: the first is the student to learn is not seriously,the second is the foundation of the students in general,the third is the learning method of students lack of memory,the fourth is the students lack basic computing skills,the fifth is the students' space imagination ability is poorer,the sixth,students often confused concept,nature,theorem,the seventh students learn basic knowledge,often float to the surface,did not carry on the thorough analysis;The 8th is the student's reading ability,examines the topic the ability to exist certain question.The author provides some teaching strategies for students' obstacles.In terms of emotion,the first is to build a good learning atmosphere and enhance students' learning automaticity;The second is to guide students to establish a positive self-evaluation,the third is to stimulate students to learn geometry learning desire.The fourth is to establish a harmonious relationship between teachers and students;In the concept aspect: the first is to help students establish a scientific method of memory;Secondly,make full use of variant training to deepen the connotation and extension of the concept.Finally,we should deepen the concept teaching and strengthen the thinking training of students.In terms of language,the first is to strengthen students' interpretation of geometric language,and the second is to strengthen students' translation between the three languages.Finally,it shows the connection between languages;In the aspect of map recognition: cultivate students' habits of drawing rules and rules,and cultivate students' spatial imagination;In the aspect of reasoning: cultivate students' consciousness of mathematical reasoning;The second is to train students to think about the problem of good habits,in the teaching of the thought of the penetration of dialectic;In terms of properties and theorems,firstly,it is necessary to strengthen students' accumulation of basic knowledge to promote their understanding of knowledge;secondly,it is necessary to fully understand students' cognitive structure to improve their thinking level;secondly,it is necessary to cultivate students' mathematical operation ability;finally,it is necessary to guide students to reflect and summarize.In the application of knowledge: to cultivate students' reading ability,and to students weak knowledge of special training,followed by strengthening students' mathematical expression ability,the most the latter is to pay attention to the teaching of mathematical thinking and methods.Finally,the author applies these strategies to teaching.After a period of teaching practice and testing,the author finds that the proposed teaching strategies are effective and feasible by comparing the average scores before and after.