运用学具让学生分一分、摆一摆的实践活动,把抽象的数学概念和形象的实物图片有机地结合起来,使概念具体化;使用学具,引导学生从数的方面用分析的方法进行抽象思维,从形的方面进行形象思维;使用学具,尝试探索发现理解数学知识;使用学具,发展学生数学思维能力,提高学生数学素质,培养学生的合作意识,发展和应用各种策略去解决各种问题。 Use of learning tools for students to share one by one, put the practice of practice, the abstract mathematical concepts and images of the physical picture organically combine to make the concept of specific; use of learning tools, to guide students from the number of aspects of the method of analysis Use the learning tools, try to discover and understand the knowledge of math; use the learning tools to develop students’ mathematical thinking ability, improve the students’ mathematical quality, cultivate students’ sense of cooperation, develop and apply various strategies To solve various problems.