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教学内容:苏教版四年级下册第10—11页例1、“练一练”和第13页练习二第1—3题。教学目标:1.使学生认识计数单位万、十万、百万和千万,及亿以内数的数位顺序表,感受相邻计数单位之间的十进关系;认识整万数、能说明整万数的组成;了解数位分级,能正确的读、写整万数。2.使学生联系实际数量参与数数、写数等活动,体验从具体情境中抽象出数的过程,了解计数方法,感受整万数的具体数量,体验认数范围的扩展和成万
Teaching content: Sujiao version of the fourth grade, Volume 10-11 page 1, “exercise a practice ” and the first 13 exercises the second 1-3 questions. Teaching Objectives: 1. To enable students to understand the counting units of million, one hundred thousand, one million and millions, and hundreds of millions of digital order table, feel the ten counties between adjacent counties; know the whole number, can explain the whole The composition of the number of; understanding of digital grading, correct reading, writing the whole number. 2. The students to participate in the actual number of participation in the number, write number and other activities, experience from the specific circumstances of the abstract number of the process, understand the counting method, feel the exact number of tens of thousands of the number of experience to expand the range and recognition of thousands