Research On Variant Teaching Of High School Mathematics Based On Core Literacy ——Take The Function Review Of Senior Three As An Example

Since the 2017 edition of mathematics curriculum Standards for general senior high schools was issued,the research on core literacy has drawn wide attention.Variable teaching is a teaching method with Chinese characteristics.There are abundant researches on variable teaching.It is of great significance to carry out variable teaching under the background of core literacy research.Variable teaching is an important way for teachers to help students to explore the essence of mathematics by changing the non-essential attributes of problems to highlight the importance of their essential attributes.With mathematical problems as the carrier,high school mathematical variable type teaching based on core literacy relies on a mathematical discipline three core literacy level evaluation standard and is a teaching method which is carried out from multiple perspectives,including variation of classroom situation introduction,"a changeable topic" sample variable type,"a solution to multiple questions" revariant method and "multiple solution to a single question" independent variable type.The research of variable teaching cannot leave the theoretical support.Variation theory is closely related to variation theory,but the research Angle is different.Constructivism and zone of proximal development are the early theories applied to the research of variable teaching,which are the psychological basis of variable teaching.Scaffolding teaching theory and deep learning theory are the inheritance and development of some early variant theories,which provide more complete theoretical support for variant teaching.There are many types of variational teaching.The function of mathematical variation is highly summarized by procedural variation and conceptual variation,while the structure of mathematical variation is divided by vertical variation and horizontal variation.The principle of variable teaching is the basis of teaching design.The principles of variable teaching include accomplishment orientation,goal orientation,pertinence,systematicness,inspiration and subject participation,which provide practical basis for the design of variable teaching.Taking the review of function knowledge in senior three as an example,this paper mainly carries out research from three aspects:(1)How to implement the classroom situation introduction variant,example teaching variant,re-variant and independent variant in order to carry out the review of senior three more effectively?(2)What is the impact of classroom observation and the introduction of information technology on the implementation of transformational teaching?(3)Which aspects of the core literacy based variable teaching can promote the cultivation of students' core literacy by improving students' abilities?The methods involved in this study include questionnaire survey,interview research and teaching experiment.At the same time,the parallel test paper based on core literacy can directly reflect the effective improvement of teaching efficiency from the perspective of data.One of the innovations of this study is the introduction of classroom observation and information technology into sample teaching,which provide timely and accurate feedback for classroom teaching.The second innovation point is that under the guidance of teachers,the important teaching link of "multiple solutions to one problem" is handed over to students to complete independently.Through this study,the author found that: the classroom introduction model based on the actual life situation,the sample teaching model based on the "three levels" goal of core literacy,and the quality-oriented re-variant model and self-variant model can more effectively improve students' learning efficiency and promote the improvement of students' core literacy level;The introduction of classroom observation and information technology can help teachers grasp the learning situation more efficiently,more conveniently and more timely and carry out variable teaching effectively.The implementation of variable teaching plays a good role in promoting the cultivation of core literacy.