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教学内容:人教版《义务教育教科书·数学》一年级下册第78页例5。教学目标:1.使学生经历用连减相同的数解决问题的探索过程,初步学会如何审题,如何分析、解决问题,能对问题解决的过程进行简单回顾,进一步体会问题解决的一般步骤。2.会用圈一圈、算一算等方法分析、解决连减相同数的简单实际问题,初步感受同一问题有不同的解决方法,提升问题解决经验。3.初步体会用连减相同的数解决问题
Teaching content: PEP “compulsory education textbooks, mathematics,” the first grade next page p. 78 Example 5. Teaching Objectives: 1. To enable students to experience the exploration process of solving problems with the same number of consecutive subtractions, to learn how to examine questions first, how to analyze and solve problems, and to briefly review the process of problem solving so as to further understand the general steps of problem solving. 2. Will be used in a circle, calculate the method of calculation and other analysis, to solve even the same number of simple and practical problems, initially feel the same problem has different solutions to enhance the problem-solving experience. 3. Preliminary experience with the same number of minus the same problem-solving