《数学课程标准》特别强调要提倡动手实践、自主探索与合作交流的学习方式。因此,教师要拓宽数学学习的天地,要为学生的数学学习活动提供有效的服务,让学生在游戏中创造、在实践中感悟、在思考中探究、在合作中交流、在应用中体验。使学生在亲身体验和探索 Special emphasis should be put on mathematics curriculum standards to promote hands-on learning, self-exploration and cooperation and exchange of learning methods. Therefore, teachers should broaden the world of mathematics learning, provide effective services for students’ mathematics learning activities, enable students to create in games, sentiment in practice, explore in thinking, communicate in cooperation, and experience in applications. Enable students to experience and explore