《数学课程标准》指出:义务教育阶段的数学课程,其基本出发点是促进学生全面、持续、和谐地发展。实现这些目标的关键是进行有效的数学学习活动,是建立和形成旨在充分调动、发挥学生主体性的多样性的学习方式。体验是青少年在实践活动中亲身经历的一种心理活动,更多的是 The “Mathematics Curriculum Standard” points out that the basic starting point of mathematics curriculum in compulsory education stage is to promote students’ comprehensive, sustained and harmonious development. The key to achieving these goals is to carry out effective mathematics learning activities and to establish and form learning styles that aim to fully mobilize and diversify students’ subjectivity. Experiencing is a kind of psychological activity that teenagers experienced in practical activities, more is