按应用题解题思路的形成过程,大致可将应用题划归成以下一些题型: 1.运算意义指导型。即解题思路的获得以四则运算的意义为依据,在此之前没有现成的解题思路可供演绎、类比来实现解题思路的迁移。至于一些简单应用题出现在四则运算的意义教学之前,那是因为限于学生的思维水平,不便一开始揭示四则运算的意义。 According to the application problem solving the formation of thinking process, can be roughly classified into the following questions some of the questions: 1. The meaning of operational guidance. The problem-solving ideas are based on the meaning of the four operations, before there is no solution to the problem-solving ideas for the analogy to solve the problem-solving ideas migration. As for some simple questions appeared in the teaching of the meaning of the four operations, it is because the limited level of thinking of students, inconvenience to reveal the meaning of the four operations.