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义务教育阶段的数学课程是培养公民素质的基础课程。数学教学要使学生理解和掌握基本的数学知识与技能,体会和运用数学思想与方法,获得基本的数学活动经验。因此,教师在教学时要遵循学生的认知规律,激发学生的认知兴趣,释放学生的认知潜能,让学生在数学学习过程中勤于动手、乐于思考、敢于表达,经历数学知识形成、发展和应用的过程。在教学“可能性”时,教师既要使学生通过摸球、摸牌等游戏活动,初步了解事件发生
The mathematics curriculum in compulsory education is the basic course to cultivate citizens’ qualities. Mathematics teaching should enable students to understand and master the basic knowledge and skills of mathematics, experience and use of mathematical ideas and methods to gain basic experience in mathematical activities. Therefore, teachers should follow the cognitive rules of students in teaching to stimulate students’ cognitive interest and release the cognitive potential of students so that students can be diligent in thinking and daring to express themselves in mathematics learning process, through the formation of mathematical knowledge, Development and application of the process. In teaching “Possibilities ”, teachers should not only make students understand the events through game activities such as touching the ball, touching cards, etc.