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新一轮基础教育改革对教师提出了诸多的期待和挑战,其中数学课堂以创设问题情境为中心,要求学生在教师指导下,能发现问题,探究问题,进而提出解决问题的方案,使学生乐学并有更多的精力投入到现实的教学活动中,因而要求教师必须为学生提
The new round of elementary education reform has put forward many expectations and challenges to teachers. The mathematics classroom, centered on the creation of problem situations, requires students to find problems, explore problems and then solve the problems under the guidance of teachers. Learn and have more energy devoted to the reality of teaching activities, thus requiring teachers must provide for students