九年义务教育小学数学教学大纲明确指出:“学生掌握知识有一个过程,要在初步理解的基础上,通过必要的练习来加深理解,逐步掌握。”这说明练习是学生掌握知识和形成技能不可缺少的认识过程,应该引起教学的重视。可是,目前的小学数学课堂练习中仍存在许多问题。 1.练习课的课节不足。调查中发现,许多教学单元的课时安排不能按照大纲的要求完成,尤其是练习课,课节不足的约占30％左右。 2.备课不认真。有些教师认为新授课已做过一 Nine-year compulsory education primary school mathematics syllabus clearly states: “Students have a process of knowledge, based on the initial understanding, through the necessary exercises to deepen understanding and gradually grasp.” This shows that students practice knowledge and skills are not The lack of awareness process should lead to teaching emphasis. However, there are still many problems in the current practice of primary school mathematics. Lesson 1 practice lesson. The survey found that many classroom units can not be arranged in accordance with the requirements of the program, especially practicing classes, accounting for about 30% of the lesson. 2 lesson preparation is not serious. Some teachers think that the new lecture has been done one