教学情境是指在课堂上设计适宜的学习环境,使教学在积极的情感和优化的环境中开展,学习者的情感活动参与认知活动,以便激活学习者的情境思维,从而在情境思维中获得知识、培养能力、发展智力的一种教学活动。《普通高中数学课程标准》指出:“数学教学要紧密联系学生的生活实际,从学生的生活经验和已有的知识出发,创设生动有趣的情境,从 Teaching situation refers to the design of appropriate learning environment in the classroom, so that teaching in a positive emotional and optimized environment, the learner’s emotional activity involved in cognitive activities, in order to activate the learner’s situational thinking, and thus in the context of thinking Knowledge, training ability, development of intelligence, a teaching activity. ”Ordinary high school mathematics curriculum standards“ pointed out: ”Mathematics teaching should be closely linked with the students ’actual life, starting from the students’ life experience and existing knowledge, to create vivid and interesting situations, from