论文部分内容阅读
《重叠问题》是人教版《数学》三年级下册第九单元《数学广角》(第一课时)的内容,其涉及的重叠问题是日常生活中应用比较广泛的数学知识;主要是让学生通过实际生活中容易理解的题材,初步体会集合思想方法,培养学生良好的数学思维能力,从学生的生活经验和知识经验出发,在观察、交流、反思、体验等数学活动中寻找解决问题的方法,在解决
“Overlap issue” is the content of “Mathematical Wide Angle” (the first class hour), the ninth unit of the third grade of the PEP Teaching in mathematics. The overlapping problem involved is the maths knowledge that is widely used in daily life. Through the easy-to-understand subjects in real life, we can get a good understanding of the methods of gathering thoughts and fostering students ’good ability of mathematical thinking. From the students’ life experiences and knowledge experiences, we can find solutions to the problems in the mathematical activities of observation, exchange, reflection and experience In solving