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思维能力是各种能力的核心。数学教学的根本任务之一就是培养学生的思维能力。因此,在初中数学课堂教学中,教师既要从宏观上把握教材,科学地整合教材,系统地向学生展现学科知识,又要巧妙地变换教学方法,引导学生根据变化了的题设条件、特征、或结论,学会灵活地转换问题,并从中揭示出事物的本质和规律。一、用递增式变式培养思维的深刻性
Thinking ability is the core of all abilities. One of the basic tasks of mathematics teaching is to train students’ thinking ability. Therefore, in junior high school mathematics classroom teaching, teachers not only grasp the teaching materials macroscopically, integrate the teaching materials scientifically, systematically display the subject knowledge to the students, but also skillfully change the teaching methods to guide the students to change the setting conditions, characteristics , Or conclusion, learn to change the problem flexibly, and reveal the essence and law of things. First, with progressive variants to cultivate the profound nature of thinking