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现代教学论认为:练习是一种有目的、有指导、有组织地学习活动,是学生形成各种数学能力的基本途径之一。在数学课堂教学中,练习活动作为学生的一项经常性的学习实践活动。从这个意义上来讲,它不能简单以完成巩固知识、运用知识为满足,更不能一味地要求学生去做盲目性的、机械的、重复的练习,而是要有利于学生的智力、能力的培养与开发,有利于学生整体素质的提高。在数学新教材的教学中。尤其是小学数学低年级20分钟小课的教学课时中,练习课是占有很大比例的。据一份统计资料表明,小学数学一、二年级四个学
Modern teaching theory holds that practice is a purposeful, directed and organized learning activity, which is one of the basic ways for students to form various mathematical abilities. In math classroom teaching, practice activities as a regular student learning and practice activities. In this sense, it can not simply complete the consolidation of knowledge, use of knowledge to meet, but can not blindly require students to do blind, mechanical, repetitive exercises, but to be conducive to the cultivation of students' intelligence, ability And development, is conducive to improving the overall quality of students. In the teaching of new mathematics textbooks. In particular, primary school mathematics grade 20 minutes lesson teaching hours, practice is a large proportion of possession. According to a statistical data show that primary school mathematics, two grades four learning