百分数应用题教法建议胡金婵一、教材特点１．例题更加精炼。义务教材把原来的７个例题减少为５个，更有利于突出重点和知识间的联系。２．知识更加系统。义务教材把５个例题分三个层次安排：〈１〉直接求一个数是另一个数的百分之几的应用题（例１、例２）；〈２〉求比一... Percentage of application questions teaching suggestions Hu Jinchan First, the textbook features 1. Example more refined. Compulsory textbooks to the original seven cases reduced to five, more conducive to highlight the key and the connection between knowledge. 2. Knowledge is more systematic. Compulsory teaching materials to five cases arranged in three levels: <1> a direct number is another number of several percent of the application of the problem (Example 1, Example 2); <2> Comparison of a ...