教材编排有“类”的概念是十分重要的,但并非有了按“类”的概念编排的教材就意味着学生能够建立准确的“类”的概念。要使学生建立“类”的概念,还需要教师在教学中贯穿“类”的教学。首先,教师在单元教学之前应有一个整体规划,每一年、每一学期需要建立哪些“类”的概念框架,如何帮助学生建立这样的“类”的概念,教师要做到心中有数。单元整体教学法是一种注重“类” It is important that textbooks have a “class” concept, but not having textbooks organized according to the notion of “class” means that students can create accurate “class” concepts. To enable students to establish the concept of “class ”, but also teachers in teaching throughout the “class ” teaching. First of all, teachers should have a holistic plan before unit teaching, and what kind of “class” conceptual framework needs to be established each year and every semester. How to help students to establish such a concept of “class ” and teachers should do it There are a few hearts. Unit overall teaching method is a focus on “class”