现行教材十一册第三单元“稍复杂的分数应用题”的教学应重视以下几个问题。一、引导学生明确“稍复杂的分数应用题”中“甲比乙多(或少)几分之几”的意义,是学生学会解答这类应用题的基础“稍复杂分数应用题”中“甲比乙多(或少)几分之几”的意义比较抽象,但又对解题起着至关重要的基础作用。学生如不明确这句话的意义,就确定不了正确的解题方法。所以,教师在进行例题教学时,要结合题意和线段图引导学生明确“甲比乙多(或 The current teaching of the eleventh volume of the third unit “a little more complex application questions” teaching should pay attention to the following questions. First, to guide students to clarify the “slightly complicated scores of questions” in the “more than a few minutes (or less),” is the meaning of students learn to answer such applications based on the “slightly complex score application questions” in the “ A more than a few (or less) a few more abstract, but they also play a crucial role in solving the problem. If students do not understand the meaning of this sentence, they can not determine the correct solution. Therefore, teachers in the teaching of cases, to combine the questions and line drawings to guide students to clear ”A more than B (or