“实践与综合应用”是小学数学教学中的一个全新领域,这个领域反映了数学课程与教学改革的要求,为学生提供了一种实践性、探索性和研究性学习的渠道。其目的是让学生综合运用已有的知识和经验,经过自主探索和合作交流,解决与生活经验密切联系的、具有一定挑战性和综合性的问题,来提高他们解决问题的能力。实践活动是综合应用的基础,综合应用是实践活动的归宿。可以说,实践性与综合性是数 “Practice and Comprehensive Application” is a brand new field in elementary mathematics teaching. This field reflects the requirements of mathematics curriculum and teaching reform, and provides students with a channel of practical, exploratory and research learning. Its purpose is to enable students to comprehensively use their existing knowledge and experience to enhance their ability to solve problems through independent exploration and cooperation and exchange to solve problems that are closely linked with life experiences and have some challenging and comprehensive problems. Practice is the basis of comprehensive application, comprehensive application is the fate of practical activities. It can be said that the number of practical and comprehensive