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1.铺垫法。不论知识结构组织得多么严密,知识的扩展或递进总是有层次的。如果从前一个层次到后一个层次的层次差过大,或者在这个层次差中,知识的内涵有了质的变化,原有的知识结构对新知不能起同化作用,学生的思维一时跟不上知识的发展变化时,应在知识的层次差之间铺垫一块“垫脚石”。2.形散神聚法。设计这类问题时,往往有一个大问题统领几个相关联的小问题,而这几个小问题又紧紧地围绕
Mattress method No matter how closely the knowledge structure is organized, there is always a hierarchy of knowledge expansion or progression. If the level difference from the previous level to the next level is too large or there is a qualitative change in the connotation of the knowledge at this level, the original knowledge structure can not assimilate the new knowledge and the student’s thinking can not keep up with the knowledge Of the development and changes, should be in the knowledge of the difference between the layers of a “stepping stone ”. 2. Shape scattered God poly law. When designing such problems, there is often a big problem that leads to a few small problems that are related to each other, and these small problems are tightly surrounded