小学数学教学活动中的基本任务是让学生真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验。而让学生自主探索和合作交流是非常有效的教学活动模式。这一活动必须建立在已有的认知水平和已有的知识经验基础之上,学生的语言组织能力是有效开展这一教学模式的关键。学生的语言能力是学生思维能力的外在表现,学生在自主探索和合作交流中将自己的已有经验、观察所得、思维想象、创新发现和自己在活动中情 The basic task of elementary mathematics teaching activities is to enable students to truly understand and master basic math knowledge and skills, mathematical ideas and methods, and gain extensive experience in math activities. It is a very effective mode of teaching activities to enable students to independently explore and cooperate with each other. This activity must be based on the existing cognitive level and existing knowledge and experience based on the students' ability to organize language is the key to the effective implementation of this teaching model. Students 'language ability is the external manifestation of students' ability to think. Students in their own exploration and cooperation and exchange will be their own experience, observation, thinking and imagination, innovation and discovery in their own activities in love