“综合与实践”是小学数学课程中的一个全新领域,是数学新课程改革中拓展的特色领域。它的开展主要在于帮助学生通过对自身知识以及相关生活经验的有效运用,采用自主探索合作交流等方法来解决与现实生活息息相关的问题,有一定的综合性及挑战性。它反映了数学课程和教学改革的要求,也为学生提供了一种进行实践性、探索性和研究性学习的课程渠道,在新一轮课改中备受关注。新人教版教材在许多单元的教学任务后编排了相应的 “Synthesis and Practice ” is a new field in primary school mathematics curriculum, which is the characteristic field to expand in new mathematics curriculum reform. It is mainly carried out to help students solve their problems related to real life through the effective use of their own knowledge and related life experience, and explore ways of cooperation and exchange through independent exploration. It has certain comprehensiveness and challenges. It reflects the mathematics curriculum and teaching reform requirements, but also for students to provide a practical, exploratory and research learning courses, in the new round of curiosity. Rookie teaching materials in many units after the teaching task of arranging the corresponding