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“解决问题的策略——一一列举”是苏教版教材五年级上册的教学内容,在此之前,学生不仅学过了列表和画图的策略,而且对解决问题策略的价值已有了一些具体的体验和认识。因此,通过本课的学习,应让学生进一步加深对现实问题中基本数量关系的理解,增强分析问题的条理性和严密性;另一方面,能使学生体会到解决问题的策略常常是多样的,可以用不同的策略、从不同的角度去分析同一个问题,从而增强根据问题的特点灵活选用策略的意识,提高分析问题和解决问题的能力。
Prior to this, students not only learned the strategies of list and drawing, but also had the value of solving the problem strategy Some specific experience and understanding. Therefore, through the study of this lesson, students should be allowed to further deepen their understanding of the relationship between the basic quantity in practical problems and to enhance the reasonability and rigor of the analysis of the problems. On the other hand, strategies that enable students to understand how to solve problems are often varied , Different strategies can be used to analyze the same problem from different perspectives so as to enhance the awareness of selecting tactics flexibly according to the characteristics of the problems so as to enhance the ability of analyzing and solving problems.