新课程强调数学教学要紧密联系学生的生活实际,从学生已有的知识经验出发,创设各种情境,为学生提供从事数学活动的机会,以激发学生学习数学的兴趣,体验学习数学的价值。“创设情境”成为数学教学中常见的策略。因此,广大数学教师都非常重视创设情境,常常从生 The new curriculum emphasizes that mathematics teaching should be closely linked with the actual life of students, starting from the students ’existing knowledge and experiences, creating various situations and providing students with the opportunity to engage in mathematics activities to stimulate students’ interest in learning mathematics and experience the value of learning mathematics. “Create situation ” has become a common strategy in math teaching. Therefore, the majority of math teachers attach great importance to creating situations, often from the students