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【教学内容】北师大版六年级上册第83页。【设计理念】我们生活在一个变化的世界中,从数学的角度研究变量与变量之间的关系,有助于人们更好地认识现实世界、预测未来。我们知道,函数是刻画变量之间关系的数学模型,虽然小学阶段不要求学生学习函数的概念,但函数思想在小学阶段的渗透是重要的。由于图能够直观地表示变量之间的关系,为此教材安排了从图中分析量与量之间关系的内容。教材设计了汽车行驶中速度快慢的变化、足
【Teaching Content】 Beijing Normal University version sixth grade on the first 83 pages. 【Design Concept】 We live in a changing world. Studying the relationship between variables and variables from a mathematical point of view helps us to better understand the real world and predict the future. We know that the function is a mathematical model to describe the relationship between variables. Although elementary school does not require students to learn the concept of function, the penetration of functional thought in elementary school is important. As the diagram can visually represent the relationship between variables, this textbook arranged from the figure analysis of the relationship between quantity and content. Textbook design of the car speed changes in speed, enough