“数学教学是数学活动的教学”是《标准》所倡导的教学理念,在这样的意义下,教师的首要任务是创设适当的学习情境,通过教学情境作用于学生的学习心理,从而促进学生积极的内在体验的产生.在教学设计中,精心设计教学情境、体验情景,使学生在充分参与活动的基础上获得个体生命的体验,激发 In this sense, the primary task of teachers is to create an appropriate learning situation, through the teaching of the situation on the students’ learning psychology, thus contributing to the teaching of mathematics activities is the teaching philosophy advocated by the “standard” In the instructional design, the teaching situation is elaborately designed and the scene is experienced, so that students can gain the experience of individual life on the basis of full participation in the activity, and stimulate