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初中数学课堂的导入教学是激发学生学习兴趣、促使学生积极主动地获取数学知识的重要环节。笔者在多年的实践中总结出四类行之有效的导入法:以旧引新导入法;置疑问难导入法;以“史”激趣导入法;生活实例导入法。
The introduction of junior high school mathematics classroom teaching is to stimulate students interest in learning, to promote students to take an active part in mathematics knowledge an important part. In the practice of many years, the author summarizes four kinds of effective import methods: the old introduction of new importation method; the doubtful importation method; the “history” excitement importation method; the introduction of life example method.