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教学内容:人教版《义务教育教科书?数学》三年级上册第90~91页。教学目标:1.结合具体情境使学生认识分子是1的分数,理解其含义,能正确读写分数。2.在学习过程中发展学生的分析、概括及表达能力。3.体会分数在实际生活中的应用及价值。4.感悟数形结合的思想方法,发展数感。教学重点:认识分子是1的分数并理解其含义。教学难点:理解分子是1的分数的含义。教学准备:圆片若干、其他形状纸片若干。
Teaching content: PEP “compulsory education textbooks? Mathematics” third grade on the first 90 ~ 91 pages. Teaching objectives: 1. Combination of specific situations to enable students to recognize the numerator is a score of 1, to understand its meaning, can correctly read and write scores. 2. In the learning process to develop students’ analysis, summarization and expression skills. 3. Experience the application and value of scores in real life. 4. perceived number of ways to combine ideas and develop a sense of number. Teaching Focus: Awareness is a fraction of 1 and understand its meaning. Teaching Difficulties: Understanding the meaning of the numerator is a fraction of 1. Teaching preparation: a number of discs, a number of other shapes of paper.