思维是一种复杂的心理过程,是由人们的认识需要引起的。在数学教学中,要使学生不断地产生学习意向,引起学生的认识需要,就要创设出一种学习气氛,使学生极欲求知,主动思考;就要设置出有关的问题和操作,利用学生旧有的知识经验和认知结构,以造成认知冲突。心理学的研究告诉我们:认知冲突是学生的已有知识和经验与新学知识之间的冲突式差别,这种冲突会引起学生的新奇的惊愕,并促使其注意关心和探索的行为。课堂教学中有了学习气 Thinking is a complex psychological process, caused by the needs of people’s understanding. In mathematics teaching, to enable students to continuously produce learning intentions, arouse the needs of students, we must create a learning atmosphere, make students extremely desire to know, take the initiative to think; it is necessary to set the relevant issues and operations, the use of students Old knowledge experience and cognitive structure to cause cognitive conflict. Psychological research tells us: Cognitive conflict is the conflict between the students ’existing knowledge and experience and the new knowledge, which can arouse students’ novel amazement and make them pay attention to the behavior of concern and exploration. Classroom learning with learning