对比法是小学数学练习中最常用、最典型的方法。通过对比,可以帮助学生找出题目的相同点和不同点,透过现象看本质,沟通知识之间的内在联系;通过对比,可以帮助学生梳理解题思路,归纳解题方法;通过对比,可以训练学生的思维能力,提高学生分析问题、解决问题的能力;通过对比,可以化繁为简、化难为易,帮助学生找出共性的规律,达到举一反三、触类旁通的目的。那么,怎样在练 The contrast method is the most common and typical method of elementary school math exercises. By contrast, we can help students find out the same points and different points of the subject, through the phenomenon to see the nature of the internal relations between the communication of knowledge; by contrast, you can help students sort out the problem-solving ideas, inductive problem-solving methods; by comparison, you can Training students ability to think and improve students ability to analyze problems and solve problems; through contrast, can simplify, difficult to help students find common law, to achieve the goal of giving top priority to others, bypassing the category. So, how to practice