数学课程的教与学两方面都具有比其它各科较多的困难,几何这一科不但教的人头痛,学的人也视为畏途,主要原因是因为这门学科的空间直观性要求严格,尤其是逻辑思维,这当然对一般逻辑训练较差的同学来说,就感到它困难了。多年来的教学实践说明:一到初二学生两极分化比较严重,这种分化在很 Both the teaching and learning of mathematics courses have more difficulties than other departments. Geometry is not only a headache for people who teach, but also a person who learns as a fearful way. The main reason is that this subject is strictly spatially intuitive. , especially logical thinking, which of course is difficult for students with poor general logic training. The teaching practice over the years shows that the polarization between the first and second grade students is more serious and this differentiation is very