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化学计算题集技能技巧、思维训练于一体,熔智力、能力于一炉,对于提高学生学习技巧,开拓学生思维、发展学生智力、培养学生能力大有裨益。笔者在复习化学计算时,根据学生认知结构层次,由浅入深地对某一知识点设置知识台阶而设计一组题开拓学生思维,培养学生能力。下面举例予以说明。 具体作法是:首先,教师根据目标,针对某一知识点由浅入深地设计一组题,让学生独立
The set of chemical calculation skills, skills, thinking and training in one, melting intelligence, ability in a furnace, for students to improve learning skills, open up students thinking, development of student intelligence, ability to cultivate students is of great benefit. When reviewing the chemical calculations, the author designed a group of questions to develop students’ thinking and cultivate their abilities by setting a level of knowledge on a particular knowledge point, according to the level of students’ cognitive structure. The following examples illustrate it. The specific approach is: First of all, teachers according to the goal, a set of questions for a certain point of knowledge from shallow to deep design, so that students are independent