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首先,培养学生的观察能力是实现数学教学目标的需要。《义务教育全日制初级中学数学指导纲要》指出:初中数学教学,必须“使学生掌握数量关系、几何图形的基础知识和基本技能,具有一定的运算能力、处理数据的能力和初步的空间想象力、逻辑思维能力。”心理学告诉我们:感知和知觉是人类认识事物过程的最初级形式,而观察则是知觉的高级状态,是一种有目的、有计划、有
First of all, to develop students’ observation ability is the need to achieve the goal of mathematics teaching. “Compulsory education full-time junior high school mathematics guidance outline” pointed out: junior high school mathematics teaching, must “enable students to master the relationship between quantity and geometry, basic knowledge and basic skills, has some computing power, ability to handle data and preliminary spatial imagination Power and logical thinking ability. ”" Psychology tells us that perception and perception are the first forms of human understanding of things and that observation is the advanced state of consciousness, a purposeful, planned, and