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多位数的读写一直是义务教育第二学段的学生学习的一大难点,苏教版教材在学生认识了万以内的数,并能正确读、写和比较大小,进行四则运算的基础上,安排了认识含有万级和亿级的数这一学习内容。逐步展开认数活动,紧密加强数学与生活的联系,着重发展学生数感。但是我觉得教师在教学例题时可以设计将多位数的认识与不同学科知识融合,体现数学的文化价值,让学生增长数学知识的同时,培养对自然、科学的兴趣,尤其是对我国现代的农业、工业甚至军事
Multi-digit reading and writing have always been a major challenge for students in the second semester of compulsory education. The textbooks of the Supian textbooks recognize the number of students within a million and can correctly read, write and compare the size of the basis for the four operations On the arrangements for the understanding of the number of million and million levels of this learning content. Gradually expand the recognition activities, and closely strengthen the connection between mathematics and life, focusing on the development of student number flu. However, I think teachers can design multi-digit cognition and different subject knowledge when teaching examples to reflect the cultural value of mathematics so that students can increase their knowledge of nature and science while cultivating their interest in nature and science, especially for the modern Agriculture, industry and even military