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第五册第46页例4:二年级有男生22人,女生18人,平均分成4个小组,每组有几个人? 这是一道两步计算的加除应用题,在此以前,学生已学过三道两步计算的例题,有了一定的解题基础,但对于加除应用题还是第一次接触。为了让学生牢固地掌握知识,达到当堂消化的目的,在讲授完例4后,我设计了以下几道巩固练习题。一、根据题意先填空,再解答。三年级图书箱有故事书100本,有文艺书200本,平均借给6个小组,每组借到多少
Example 4: There are 22 boys and 18 girls in the second grade, divided into four groups on average, with a few people in each group. This is a two-step calculation plus application. Before that, students had learned Over three two-step calculation example, with a certain basis for solving problems, but for the addition of application questions is the first contact. In order to enable students to firmly grasp the knowledge to achieve the purpose of digestion, after teaching Example 4, I designed the following consolidating exercises. First, fill in the blanks according to the questions, then answer. Third grade books have 100 story books, literary books 200, an average of six groups lent, how much each group borrowed