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学生对任何一个数学新知的学习都不可能一步到位,需要依靠例题建构,也需要通过习题来不断巩固与完善建构。教材是最重要的教学资源,对教材的处理不但包括对例题的处理,也包括对习题的处理。对习题的处理是数学教学设计的重要内容,是教师教学的最重要的基本功之一。在新授课中,一个新知识点的掌握要靠习题来分层巩固;在练习课中,对习题的处理更是关系到一节练习课能不能抓住重点、围绕重点、突破难点。那么怎么来处理教材中的习题呢?
Students can not learn any one new knowledge of mathematics in one step, need to rely on the construction of examples, but also need to continue to consolidate and perfect the construction through exercises. Teaching material is the most important teaching resource. The processing of teaching materials not only includes the processing of examples, but also the handling of exercises. The handling of exercises is an important part of mathematics teaching design and one of the most important basic skills for teacher teaching. In the new lectures, the mastery of a new knowledge point depends on the exercises to stratify and consolidate. In practice class, the handling of exercises is related to whether a practice lesson can seize the key points and focus on breaking through the difficulties. So how to deal with the exercises in the textbook?