[起因]本学期,我执教三年级3个教学班的数学课,通过对人教版九年义务教育小学数学第五册中“商中间有0的除法”的两次教学实践,认为有必要根据教学具体情况和学生的知识经验以及认知发展规律对课程实施整合。实践证明,最后一个教学班的学生对整合后的课程内容更有兴致,更具主动性、积极性;在宽松、民主、和谐的学习氛围中,逐步实现让“不同的人在数学上得到不同的发展”。 [Cause] This semester, I coached three math classes in the third grade of mathematics classes, through the teaching of PEP, the fifth volume of elementary school mathematics compulsory education in the fifth volume of “business middle of the division of 0” two teaching practice that it is necessary According to the specific circumstances of teaching and students’ knowledge and experience as well as the law of cognitive development to implement the integration of the curriculum. Practice has proved that the students in the last teaching class are more interested in the contents of the integrated curriculum, more proactive and motivated. In a relaxed, democratic and harmonious learning environment, gradual realization of “different people get different math development of”.