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翻开苏教版小学六年级数学下册第6章,这一章教材呈现了两个例题及试一试、练一练共9个习题。对这一章内容,教师们通常分三个课时完成,让学生利用教师准备的例题图形进行剪拼,逐步学会“转化”这一解决问题的策略。我们从对10名教过此内容的教师的交谈中发现,学生虽然对解决问题需要转化的策略有所感悟,但在独立解决问题时,对
Opened the sixth edition of the sixth edition of the sixth edition of the Supian version of primary school mathematics, this chapter presents two examples of teaching materials and try a practice a total of nine exercises. For the purpose of this chapter, teachers usually finish the class in three hours so that students can use the examples and diagrams prepared by the teacher to cut the spell and gradually learn the solution of “transformation”. From our conversations with 10 teachers who have taught this content, we found that although students are somewhat impressed by the strategies that need to be transformed in order to solve the problems, when solving the problems independently,