Practice in “Correspondence of Teaching and Math Principle”——Thinking on the Practical Plan of “the Monotony of Function”

There was an emphasis on the practical significance of the educational principle in this paper. According to the principle of “correspondence of teaching and learning” and “correspondence of teaching and math”, the author had made a practical plan and comment on “the monotony of function” seven phases of conceptual formation teaching model was used during the teaching process. The design of teaching situation which gave prominence to the essential character would lead the students’ construction of this concept. The student would gradually finish the depict of dynamic math in symbolic math language. There was an urgent need to blend educational principle into practice.