一要活化情境教学。教师必须做到两点:一要明确情境创设的目的。每一节课都有一定的教学任务。情境的创设,要有利于学生的学习,有利于促进学生认知技能、数学思考、情感态度、价值观等方面的发展。所以,教学中既要紧紧围绕教学目标创设情境,又要充分发挥情境的 First, to activate situational teaching. Teachers must do two things: First, to clarify the purpose of the situation created. Each lesson has a certain teaching task. The creation of situation should be conducive to students ’learning, which is conducive to the development of students’ cognitive skills, mathematical thinking, emotional attitudes and values. Therefore, teaching should not only focus on teaching objectives to create situations, but also give full play to the situation