长期以来,在传统观念的束缚和升学考试的重压下,不少教师成了一架教学的机器。课堂上,常常不敢放手让学生主动探索,学生被束缚在教师和课堂的圈子中,被动地接受教师的灌输,其创造性受到压抑。这种传统的封闭式教学方法,造成了学生思维兴趣的淡化、思维活动的弱化、思维品质的劣化,这对于积极实施课程改革,全面推进素质教育来说,是一个较棘手的问题。在小学数学课堂教学中,增强课堂教学的“开 For a long time, under the constraints of traditional concepts and undergraduate exams, many teachers have become a teaching machine. In class, students often find it hard to let students take the initiative to explore. Students are restrained in the circle of teachers and classrooms. Passively, they are indoctrinated by teachers and their creativity is suppressed. This traditional closed teaching method has resulted in the desalination of students’ thinking interest, the weakening of thinking activities and the deterioration of thinking quality, which is a trickier issue for implementing curriculum reform and promoting quality education in an all-round way. In primary school mathematics classroom teaching, enhance classroom teaching ”open