基于問題情境的初中數(shù)學(xué)命題的教學(xué)研究
[Abstract]:Mathematical proposition is the connection between concept and concept, including theorems, formulas, rules and inferences, inverse theorems, etc. Proposition is higher than the learning of concept, so it is a high-level cognition. Mathematics proposition teaching is the foundation of mathematics subject and contains many mathematical thought methods. It is an important means to cultivate students' thinking ability. The study of mathematical proposition directly affects the cultivation of students' thinking ability and logical reasoning ability. Laying a good foundation in the study of propositions will help students to build up a good cognitive structure and play a vital role in learning new knowledge and skills in the future. Problem situational teaching is based on situational learning and constructivism theory. It emphasizes that taking mathematical problems as the core, teachers provide students with some problem situations which come from real life or contain mathematical problems. Allow students to actively discover problems in the process of learning propositions. It is emphasized that teachers should act as assistants and mentors of students, take students as the main body, and teachers should understand the existing knowledge structure of students, and create problem situations for students in the recent development area of students. The new knowledge conflicts with the students' existing knowledge and experience. This kind of teaching can arouse the students' keen desire for knowledge and exploration, arouse the students' consciousness of problems, and make them have inner conflicts. In the state of wanting to solve but can't solve, it can urge students to think and analyze problems positively and question, and then reconstruct the existing knowledge and perfect the knowledge system of students. Mobilize students' intelligence and non-intelligence factors to improve students' innovative ability. Therefore, setting up problem situation in mathematics proposition teaching can effectively improve the efficiency of classroom teaching and make students understand the proposition more deeply. The teaching of junior high school mathematics proposition based on problem situation is divided into three parts: the problem situation in the introduction of proposition, the problem consciousness of students is stimulated by simulating the problems that need to be solved in reality, under the guidance of the teacher, the teaching of mathematics proposition in junior middle school is divided into three parts. Obtaining mathematical proposition, problem situation in propositional proof, making use of mathematical history, practice type and contest type problem situation to make students realize the process of propositional development, problem situation in the application of propositions, The use of variant training helps students to understand the proposition more deeply from different angles and can be used flexibly, so that students can set up a more perfect mathematical knowledge system.
【學(xué)位授予單位】:天津師范大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:G633.6
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