现代教学论研究表明,各种教学方法之间具有互补性,任何一种教学导向都离不开本学科的主题线和教学思路,离不开它的教学大纲和教学对象,这说明,教学中的导向作用是不可忽略的。中学的教学基础来自于小学的教学知识,从数的概念、简单的四则运算发展到形数结合的代数计算与推理论证。基础 The research on modern teaching theory shows that there is complementarity between various teaching methods. Any kind of teaching orientation can not do without the theme lines and teaching ideas of this subject, and can not be separated from its syllabus and teaching objects. This shows that in teaching The guiding role can not be ignored. The teaching base of high school comes from the teaching knowledge of elementary school, from the concept of number, the development of simple four operations to the algebraic calculation and reasoning demonstration combining shape and number. basis