数学课堂是充满数学问题的课堂,不管是导入、新授、巩固、运用等教学环节都是由一个个问题串联起来的,教师的任务就是引导学生运用各种方式、方法一一解决问题的过程。一堂课的效果好坏虽然没有固定的评价标准,但是让学生始终保持积极、乐观的求知状态是不可缺少的要求。因此,让学生乐意去解决问题、主动去 Mathematical classroom is a classroom full of mathematical problems, whether it is to import, new grant, consolidation, use and other teaching links are linked by a series of questions, the teacher’s task is to guide students to use various ways and methods to solve the problem one by one process . Although the effect of a class is not fixed evaluation criteria, but for students to always maintain a positive and optimistic state of knowledge is an indispensable requirement. Therefore, let students willing to solve the problem, take the initiative to go