初中代数的许多知识,需要指导学生通过观察、猜想和不完全归纳导出并加以掌握,这种教学过程可以增强学生思维的探索性。只要我们从学生实际出发,出特殊到一般,由表象到本质,精心设计教学过程,就不仅能使学生较好地掌握知识,而且能不断提高他们的探索思维能力。例如,教学“有理数加法法则”时,可 Many knowledge of junior high school algebra, need to guide students through observation, guess and incomplete induction derived and mastered, this teaching process can enhance the exploration of student thinking. As long as we proceed from the students' actual conditions, from the special to the general, from appearance to essence, and elaborately design the teaching process, we not only enable students to master the knowledge well, but also constantly improve their ability to explore and think. For example, teaching “rational number addition law” can be