分数应用题,是小学数学应用题教学中的重点,也是难点。教学时,我们着眼于培养和发展学生的思维能力,把分数的三种基本应用题融为一体进行教学,获得了较好的效果。一、以旧带新,在练中感受新知分数应用题是倍数应用题的扩充与发展,它的数量关系和解法与倍数应用题相同,是不必另起炉灶 Score application questions, primary school mathematics problem teaching is the key, but also difficult. Teaching, we focus on the cultivation and development of students' thinking skills, the score of the three basic application questions into one teaching, and achieved good results. First, the old with the new, in the training experience scores of new knowledge is multiples of the application of the expansion and development, the number of its relationship between the solution and the multiplier application is the same, is not necessary to start a new stove