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在课程标准中,概率是初中数学中的新内容,随着课改的不断深入,概率统计的教学越来越受到社会的重视。学习概率,能培养学生的数学实验能力;学习概率,更能体现数学与生活的联系;学习概率,还能培养学生思维的灵活性和全面性.初中概率的教学,总的来说有两个方面:实验探究和理论推导,本文就理论方面介绍一种求概率的方法——面积法.
In the curriculum standards, probability is a new content in junior middle school mathematics. With the continuous deepening of curriculum reform, the teaching of probability statistics has received more and more attention from the society. Learning probabilities can cultivate students’ mathematical experimental abilities; learning probabilities can better reflect the connection between mathematics and life; learning probabilities can also foster the flexibility and comprehensiveness of students’ thinking. There are two general teaching methods for probability in junior high schools. Aspects: experimental exploration and theoretical derivation, this article introduces a theoretical approach to the method of probability - area method.