数学学习的本质是学生获取数学知识、形成数学技能和技巧的一种思维活动过程。在教学中因题制宜进行再思考的训练和培养,可以优化学生的认知结构,拓展学生的解题思路,发展学生的思维能力。因此,在组织学生学习的过程中,旧知应新用、妙用,让其重放光彩,挖掘其思维训练的智力因素、潜力,再次升华。使旧知得到强化,思维得到训练,进一步掌握方法,思维品 The essence of mathematical learning is a process of thinking activities that students acquire mathematical knowledge and form mathematical skills and skills. In teaching due to the problem of re-thinking training and training, students can optimize the cognitive structure, develop students ’problem-solving ideas, develop students’ thinking ability. Therefore, in the process of organizing student learning, the old knowledge should be newly used, magical, let it replay glory, digging the intellectual factors of thinking training, potential, once again sublimation. To strengthen the old knowledge, thinking training, to further master methods, thinking products