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例题教学是课堂教学中的一个重要环节,而例题的选择、设计和处理又是课堂教学质量的关键,课本例题具有一定的典型性、代表性,都是经过精心设计编排的,有着丰富的内涵,不少中考题都源于课本例题,因此,重视课本例题的挖掘,用活课本例题具有重要意义,以下是我在教学中对一道课本例题进行的一点尝试:“已知:如图,E、F、G、H分别是正方形ABCD各边的中点,AF、BG、CH、DE分别相
Example teaching is an important part of classroom teaching. The selection, design and processing of examples are the key to the quality of classroom teaching. Textbook examples have certain typicalness and representativeness. All of them are carefully designed and arranged and have rich connotations. Many examination questions originate from textbook examples. Therefore, it is of great importance to focus on excavating textbook examples and using examples of living textbooks. The following is a bit of an attempt I made to teach a sample textbook example: ”Known: Figure, E, F, G, and H are the midpoints of the sides of the square ABCD, respectively. AF, BG, CH, and DE are respectively