教材,是我们施教的主要材料。教材不等于教案,教师不能做教材的奴隶,教师应研究教材,重组教材,做教材的开发者。习题在教材中占有一定的分量,是学生形成技能、发展思维的重要材料。我们许多老师对教材提供的习题不屑一顾,刻意改换,结果换汤不换药,没有多少价值。如何挖掘教材中 Teaching materials, is our main teaching material. Teaching materials does not mean that the lesson plans, teachers can not be slaves of textbooks, teachers should study textbooks, reorganization of textbooks, textbooks to do the developer. Exercises in the textbooks occupy a certain weight, is the formation of students skills, the development of thinking an important material. Many of our teachers disdain the exercises provided by the textbooks, and deliberately change the results without changing the value, not much value. How to dig teaching materials