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一、在疑惑处等待,给学生解惑的机会在数学教学中,学生难免会出现各种各样的困惑与问题,而对待学习中的困惑与问题,教师应学会耐心地等待,给学生去交流、去探究、去解决的机会,让学生弄清原因,明白其中的道理。如一位教师教学“工程问题”这节课时,先出示:“一段公路长600米,甲队单独修10天完成,乙队单独修15天完成,两队合修几天完成?”先让学生根据工效、时间、工作总量间的数量关系列出算式600÷(600÷10+600÷15)=6(天),说明算理之后引导学生猜想:如果这段公路长1200米,那么修完是多少天呢?12天。学
First, waiting for doubts, opportunities for students to confuse In mathematics teaching, students will inevitably appear a variety of puzzles and problems, and to deal with puzzles and problems in learning, teachers should learn to wait patiently, to the students to go Exchange, to explore, to solve the opportunity for students to understand the reasons, understand the truth. Such as a teacher teaching “engineering problems ” This lesson, first show: "A section of 600 meters long road, A team alone repair 10 days to complete, B team alone repair 15 days to complete the two teams together repair a few days to complete? Let students first formulate the formula 600 ÷ (600 ÷ 10 + 600 ÷ 15) = 6 (day) according to the quantity relationship between ergonomics, time, and total work volume, to guide the students to guess after the arithmetic: if the length of the road 1200 How long does it last? 12 days. learn