数学《课程标准》中指出“教学要关注儿童在学习过程中的思维参与意识。”为达到此目的,教师要热情鼓励、精心引导学生参与教学过程,尽量让学生通过自己积极参与探究来习得获取知识的技能。而讨论交流就是学生在教师的引导下,主动获得知识的一种好方法。所以,在数学 The standard of mathematics curriculum states that “teaching should pay attention to children's awareness of participation in thinking in the process of learning.” To achieve this goal, teachers should be enthusiastic to encourage and carefully guide students to participate in the teaching process, try their best to make students learn through their active participation in inquiry Knowledge acquisition skills. Discussing and communicating is a good way for students to take the initiative to acquire knowledge under the guidance of teachers. So, in math