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数学本身就是一门与生活联系比较紧密的学科,它是从生活中产生与生活密不可分的,但学生所要学习的知识是人类几百年来积累的间接经验,它具有较高的抽象性,而中学生的思维正处于从形象思维为主,向抽象思维过渡的阶段,要使他们理解地接受、消化抽象的数学知识,仅凭目前课堂上教师的口耳授受是不可能让学生真正理解的,在课堂上创设一定的问题情境,不仅能培养学生的数学实践能力,更能有效地加强学生与生活实际的联系。
Mathematics itself is a subject closely related to life, which is inseparable from life and life, but the knowledge that students want to learn is the indirect experience accumulated by mankind for hundreds of years. It has a high degree of abstraction, The middle school students’ thinking is at the stage from the thinking of the image to the transition of the abstract thinking. To enable them to understand and accept the mathematics knowledge of the abstract, it is impossible for the students to really understand , Creating some problematic situations in the classroom can not only cultivate students ’ability of math practice, but also effectively strengthen students’ actual contact with life.