教学是教与学的统一,过去多是研究“怎么教”,对“怎样学”研究甚少.当前,深入进行教学改革,要更好地发挥学生的主体作用,对“怎样学”有进行深入研究的必要.我们认为,提高学生在学习生活中的数学思维能力,是学法指导的重点.数学教育家波利亚提出的要“教发现,教 Teaching is the unity of teaching and learning. In the past, it was mostly about “how to teach”, and there was little research on “how to learn.” At present, in-depth teaching reform requires students to play a more important role and “how to learn”. The need for in-depth study. We believe that improving the students’ ability to think in mathematics in their study life is the focus of study guidance. The mathematician educator Polya proposed to “teach to discover and teach