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根据教学目的、教材内容和学生实际,精心设计和合理安排数学习题,是当前数学教学中一个十分重要的问题。我编拟数学题时,十分重视习题的串联工作,即分别就内容联系较密切,思考方法相近似,解题技能技巧较类同的问题,有的目、有计划地编串在一起。教学中,可采用以下办法:教师讲一两个有代表性的问题,其余让学生思考解决;教师提出问题引导上路,学生自己实践补充;学生讨论教师总结等。比如,在立体几何教学中,学生初学困难较大,我以线线、线面的位置关系为
According to the purpose of teaching, the content of teaching materials and students' actual situation, it is a very important issue in mathematics teaching to design and arrange mathematics exercises carefully. When I wrote my maths questions, I attached great importance to the series work of exercises, that is, I had more closely related content and similar thinking methods respectively, and the problem solving skills and skills were more similar than the same ones. Teaching, the following methods can be used: The teacher said one or two representative questions, the rest allow students to think and solve; teachers to ask questions on the road, students practice their own supplements; students discuss the teacher summary. For example, in the teaching of three-dimensional geometry, students beginner's difficulty is greater, I line, the location of the line surface is