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教学内容:苏教版《义务教育教科书?数学》四年级下册第10~11页例1、“练一练”和练习二第1~3题。教学目标:1.使学生初步了解我国分级计数和数位命名的规则,认识计数单位十万、百万和千万,掌握亿以内的数位顺序表,认识整万数,会正确地读、写整万数。2.使学生通过了解一些具体事物数量的多少获得相应的数感,经历用整万数表达和交流的过程,感受整万数的价值,培养应用意识,增强对整万数的兴趣和认识整万数的自信心。
Teaching content: Sujiao version of “compulsory education textbooks? Mathematics” fourth grade volumes of the first 10 ~ 11 Example 1, “practice a practice ” and exercises two 1 to 3 questions. Teaching Objectives: 1. To enable students to initially understand the rules of grading and counting in our country, to know the counting unit of 100,000, millions and tens of millions, to master the numerical order table within 100 million, to know the whole number, and to read and write correctly Million. 2 to enable students to understand the number of specific things by the number of the corresponding sense of the number of experience through the whole thousands of expression and exchange process, feel the value of the whole ten thousand, develop awareness of application, enhance the interest and understanding of the whole whole Ten thousand self-confidence.