《数学课程标准》在关于“数学教学活动”中阐述:数学教学活动必须建立在学生的认知发展水平和已有的知识经验基础之上。因此,教师要设计富有儿童情趣的且有挑战性的数学探索活动,如游戏、表演等,激发学生的学习兴趣,营造主动学习的氛围,让学生们在玩 The Mathematics Curriculum Standard states in “Mathematics Teaching Activities” that mathematics teaching activities must be based on the students’ level of cognitive development and existing knowledge and experience. Therefore, teachers should design children’s fun and challenging math exploring activities, such as games and performances, to stimulate students’ interest in learning, to create an active learning atmosphere and to allow students to play