在小学“图形与几何”的教学中,学生对于字母公式常常记不住,容易出现混淆。我认为,出现这种情况,多半要从教师教的方面去寻找原因以及克服的途径。学生对于字母公式的混淆应当看作正常的现象,他们感知事物的数量及其关系的方式,在短短的几年时间内发生着三个阶段性变化:由接触真实具体的实际事物和数量,即“鲜活”的信息过程,变为接触静态的图形形象即“凝固”的信息过程, In primary school “Graphics and Geometry” teaching, students often can not remember the letter formula, prone to confusion. In my opinion, most of this happens when looking for reasons and ways to overcome them from the aspect of teacher education. Students’ confusion about the formula of the alphabet should be regarded as a normal phenomenon. They perceive the number of things and the way they are related in three phases within a matter of a few years: from touching real concrete things and quantities, That is, “fresh” information process, into contact with the static image of the image that is “frozen” information process,