课前思考“方程的意义”一课,各版本教材大都是借助天平演示,呈现等式与方程,揭示概念——含有未知数的等式叫做方程。但是,最近有的老师认为方程不能仅仅停留在一个形式的概念上,借助天平来教学方程,是将“方程表示数量间的相等关系”的理解狭隘化,理由是天平揭示的是一种特殊的相等关系。那么,关于“方程的意义”一课的新探索,落脚点到底应该放在哪儿?笔者以为,对小学五年级的学生来说,探索“方程的意义”一课的落脚点可以放在概念的内涵与外延的 Pre-class thinking “the meaning of equations ” a lesson, most versions of textbooks with balance presentation, showing equations and equations, revealing the concept - the equation with unknowns is called equation. However, some recent teachers think that the equation can not just stay in a formal concept. To balance the teaching equation with the balance is to narrow the understanding of the equality of the number of the equations. The reason is that the balance reveals a Special equal relationship. So, new exploration on the meaning of “equation ”, where should end? In my opinion, to the fifth grade students, exploring the meaning of the equation On the concept of connotation and extension