Research On The Teaching Of Junior Middle School Triangle

triangle is an important module of plane geometry, plane geometry is an important content of junior middle school mathematics study, triangle junior high school teaching and research is an important part of teaching introduction to junior high school geometry, knowledge throughout the geometry of the triangle, can correctly recognize junior triangle of knowledge for subsequent learning help other geometry. Triangle students thinking in terms of learning, perceptual thinking and Visual math learning to abstract thinking, deductive thinking learning key is to train students from the concrete to the abstract, from special to General an important phase of transition, from the simple to the complex, is to improve the students’ability of logical thinking ability, imagination and innovation main stages. This method of content analysis studies and literature research on junior high school teaching the triangle.Combined compulsory education mathematics courses standard (2011 version), specific to analysis has people taught version junior high school mathematics textbooks in the of triangle knowledge of choreography order and appeared way, according to junior high school triangle knowledge of distribution features on each module of triangle knowledge for has detailed to analysis and simple to classification; through on junior high school triangle teaching status of survey and analysis, find problem and,countermeasures, proposed teaching principles and teaching strategy; proved process is plane geometry in the of problem-solving process one of, Research triangle to prove knowledge of the key, also the basis of other geometry, and can cultivate the unknown into the known, the abstract deep things into Visual thinking, improve students’combination of number and form, induction and analogy into mathematical thinking.Paper total is divided into five a part, first chapter introduction, proposed has problem, introduced has purpose and meaning, and both at home and abroad research status, described has research method and innovation points; second chapter junior high school textbooks in the triangle knowledge of distribution features, detailed to analysis has junior high school triangle knowledge structure, on junior high school triangle knowledge of distribution features has full to analysis and concise to classification; third chapter junior high school triangle teaching status survey and analysis, through survey statistics, analysis obtained teaching in the of problem, to out corresponding of countermeasures, Antibody out junior high school triangle of teaching principles and strategy; fourth chapter junior high school triangle of teaching case, to out has congruent triangle, and Pythagorean theorem and similar triangle of teaching case, on triangle teaching instance for research, through Pythagorean theorem to proved training students rigorous of thinking way, in teaching design in the on proved of penetration helps improve students justified, and divergent thinking of capacity; fifth chapter conclusion, and revelation and insufficient, on paper of writing situation for summary, obtained research of conclusion, and Deficiencies of the inspiration and research.