适当开放的课堂不再完全是预设“计划”的课堂,课堂教学过程逐渐成为师生情感交流和思维碰撞等生命发展的历程,是复杂的、富于变化的、不断生成的。教师要经常依据学生学习的实际情况,根据学生身心发展的需要,把各种教学资源有机地整合、灵活地调整,生成新的教学流程。让学生在获取知识、积累学习经验的同时,获得丰富的情感体验,使课堂变得生动充满活力,促进学生主动地建构数学知识,促使 Properly open class is no longer completely default “plan” classroom, classroom teaching process has gradually become emotional exchanges between teachers and students and collision of thinking and other life processes, is complex, varied, and constantly generated. Teachers should often based on the actual situation of student learning, according to the needs of physical and mental development of students, all kinds of teaching resources organically integrated and flexible adjustment to generate a new teaching process. To enable students to gain knowledge and accumulate experience in learning while gaining a wealth of emotional experience, the classroom becomes lively and vibrant, and promote students to actively construct mathematical knowledge, prompting