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课堂情景是极为复杂的,课堂是动态生成的,同一情境中的不同策略会在课堂上展现出不同的场景,即使教师在备课中预设得再充分,也难以全部预料到课堂中生成出现的各种情况和细节,这就要求教师能在课堂中抓住不断生成的各种资源培养学生的数学能力。
Classroom scenarios are extremely complex. The classroom is dynamically generated. Different strategies in the same situation can show different scenes in the classroom. Even if the teacher presupposes sufficient prep lesson preparation, it is difficult to predict all the classes that are generated in the classroom All kinds of situations and details require teachers to grasp the mathematical abilities of students in the classroom by grasping constantly generated resources.