自编分数应用题的训练,可以促进学生掌握分数应用题的结构,加深对条件与条件、条件与问题、部分与部分、部分与整体之间关系的认识。因此,教师应当重视培养学生自编分数应用题的能力。按照循序渐进的原则,通常有以下四个训练步骤。 一、模仿编题 初编应用题时,教师应先作示范,然后让学生仿照去编。如教师可先列算式200×4/5,然后编一道简单应用题:一袋大米200斤,用去4/5,用去多少斤?学生编题之前,教师应先引导学生分析这道 Self-compiled scores of application questions of the training, can promote students to grasp the structure of the score application questions, deepen the understanding of the conditions and conditions, conditions and problems, parts and parts, part of the relationship between the whole. Therefore, teachers should pay attention to the ability of students to develop their own scores. In accordance with the principle of gradual, usually the following four training steps. First, to imitate the beginning of the editorial problem-solving questions, teachers should first demonstrate, and then let the students modeled to the editor. Such as teachers can be the first formula 200 × 4/5, and then compiled a simple application questions: a bag of 200 pounds of rice, used to 4/5, with how many pounds? Students before the title, teachers should guide students to analyze this road