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1教学目标知识目标理解并掌握函数的定义、分段函数和数学建模的一般步骤.能力目标加强锻炼数学建模能力,培养学生应用数学的意识.情感目标通过案例分析,感受数学应用过程,培养学生对数学的兴趣,渗透德育教育,树立依法纳税意识.2教学重点、难点重点根据已知条件建立函数关系式.难点数学建模意识.3教学过程3.1情景设计投影1宇宙之大、粒子之微、火箭之速、化工之巧、地球之变、生物之迷、日用之
1 Teaching Objectives Knowledge Objectives To understand and master the function of the definition, segmentation function and mathematical modeling of the general steps.Objectives to strengthen the ability to exercise mathematical modeling, training students awareness of applied mathematics.Secondary emotion through the case analysis, feelings of mathematical application process, Cultivate students’ interest in mathematics, infiltrate moral education and establish awareness of tax payment in accordance with the law.2 Teaching emphasis and difficulty Focus on establishing function relationship according to known conditions Difficult point Mathematical modeling Consciousness.3 Teaching process 3.1 Situational design Projection 1 Cosmic big, particle The micro, the rocket speed, chemical technology, the Earth’s changes, creatures of the fans, daily use