主体活动的核心即是“活动”,活动是学生学习的基本途径。通过活动来真正确立学生在教学过程的主体性,使学生享有更充分的思想和行为自由,实现学生素质的整体提高。因此,数学活动设计是实施主体活动教学的前提。实践中,我们从教学内容出发,结合数学课堂教学的三个环节来设计数 The core of the main activity is “activity”, activity is the basic way for students to learn. Through activities to truly establish the subjectivity of students in the teaching process, so that students enjoy more freedom of thought and behavior, to achieve the overall improvement of the quality of students. Therefore, the design of mathematical activities is the premise of the teaching of the main activity. In practice, we set out from the teaching content, combined with the three aspects of mathematics classroom teaching