《探索直角三角形全等的条件》教学案例（The teaching case of exploring the congruent conditions of right triangles）.docVIP

《探索直角三角形全等的条件》教学案例（The teaching case of exploring the congruent conditions of right triangles） It used to be to look at other uploaded documents, this upload point document to share with everyone! The teaching case of exploring the congruent conditions of right triangles [topic] compulsory education curriculum standard experimental textbook mathematics (Beijing normal university) seventh grade, chapter 5, chap. 7 I. teaching design ideas (1) background and analysis of teaching content This lesson is bnu edition textbooks mathematics grade seven vol.6 fifth chapter 7 of the triangle section, it is also the student after the learning condition and of triangles are congruent triangles arranged a class content The whole of right triangle is everywhere in life, it is not only the foundation of other graphics, but also has extensive application in solving practical problems This lesson is to explore and master the conditions of right-angle triangles are congruent, learn the knowledge of the lesson to the students better understand the real world space concept and reasoning ability, development has a very important role (2) analysis of school and student situation Our school is a is located in the western hubei mountainous area of rural school, teaching conditions is poor, dont have a computer in the classroom and the big screen, all the students come from the countryside, the students basic knowledge and skills is uneven, quite a number of students lack of the victims, the habit of independent thinking, theres not a good strict truth-seeking attitude of learning Students are diligent in their work, willing to explore, practical application ability and innovative spirit are lacking, but they have a strong curiosity about new knowledge (1), students cognitive basis to learn this section: students had just learned about the basic knowledge of triangles are congruent, and ruler gauge is used as the triangle, the cognitive basis of knowledge is to learn this lesson, it is on t