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作业讲评课是现实教学过程中必不可少的一种课型。但由于教师的不重视,出现许多不良作业讲评课型,从而造成学生在数学学习能力上的欠缺。基于学情,结合教学实践,为实现教学目标的三个维度,以有效作业讲评为宗旨,为逐步拓展学生思路,激发求知欲,提升学生的数学学习能力和可持续发展为目标,提出有效作业讲评课“四步模式”。即教师为辅助学生基于作业问题中分类纠错、技能强化、思维提升而进行的归纳整理、讲评变式,反思拓展,最终衔接新知,构建知识体系。
Homework comment class is an indispensable course in the real teaching process. However, because teachers do not pay attention, there are many bad jobs comment class type, resulting in lack of students in math learning ability. Based on the situation of learning, combining teaching practice, three dimensions for achieving teaching objectives and effective job evaluation as its purpose, this paper proposes effective work for the purpose of gradually expanding students ’thinking, stimulating curiosity and enhancing students’ ability of learning mathematics and sustainable development Commentary class “four-step mode ”. That is to say, the teacher assists the students in inducing and sorting based on classifications of errors, enhancement of skills and improvement of thinking in homework problems, reviews variations, reflections and expands, eventually converges with new knowledge and builds a knowledge system.