教学内容新世纪版小学数学第十一册“比的认识与应用”的复习与整理。复习目标1.在活动中对“比”的知识进行梳理、分类,从而体会知识间的内在联系。2.进一步理解比的意义,能够正确熟练地化简比、求比值,能合理地应用比的意义解决一些实际问题。3.渗透一些复习的方法。复习过程一、谈话导入。 Teaching content New Century Edition primary school mathematics eleventh chapter “understanding and application of ratio” review and finishing. Review the goal 1. In the activities of “than ” knowledge combing, classification, in order to understand the inherent relationship between knowledge. 2. To further understand the significance of the ratio, to be able to properly simplify the ratio, seek the ratio, the rational use of the ratio of significance to solve some practical problems. 3. Infiltration of some review methods. Review the process of a conversation into.