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学生从第四册开始学习以综合法思路为主的简单加减混合运算的两步计舅应用题,到第五册开始学习含有两级运算的两步应用题,并完成了由综合法思路向分析法思路的过渡。第五册是学习两步应用题的重点。因此抓好两步应用题的复习尤其重要。通过复习,要使学生熟悉两步应用题的结构和数量之间的关系,理解和掌握两步应用题的解答方法,提高学生分析问题的能力,发展学生的思维。
From the fourth book, students begin to learn the simple two-step uncle-plus problem of simple addition and subtraction mixed operation based on the comprehensive method of thinking. In the fifth book, students begin to learn the two-step application with two levels of operation, The transition to analytic thinking. The fifth book is to focus on two-step application questions. Therefore, a good two-step review of application questions is particularly important. Through reviewing, students should be familiarized with the relationship between the structure and quantity of two-step applied questions, understand and master the solution of two-step applied questions, improve their ability to analyze problems and develop their thinking.