通过对我校本科毕业生试教活动的指导与观察,发现实习生试教中存在一些共性问题,这些问题在目前的教学实践中,也在一定程度上普遍存在.1不善于对教材进行深入挖掘和剖析数学教师要形成和具备较高的数学素养,就必须善于挖掘和剖析教材,仔细揣摩,深及精髓,反复琢磨,穷根究底,力求 Through the guidance and observation of the trial teaching activities for undergraduates in our university, we find that there are some common problems in the intern teaching, which are also existing to a certain extent in the current teaching practice.1 Poor teaching materials To excavate and analyze mathematics teachers to form and have higher mathematical literacy, we must be good at digging and analyzing textbooks, carefully try to figure out, deepen and essence, repeatedly pondering, poorly rooted, strive