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教学内容:人教版数学五年级下册的内容教学目标:1.能够借助天平或硬币,初步了解“找次品”一类问题的基本解决手段及方法。2.以“找次品”为载体,通过观察、猜测、试验、推理等方式,体会解决问题的多样性及最优策略,经历由多样到优化的思维过程,感受归纳推理和逆推法的重要思想。3.感受到数学在日常生活中的广泛应用,尝试用数学的方法来解决实际生活中的简单问题,初步培养学生的应用意识和解决实际问题的能力。
Teaching content: PEP mathematics grade five volumes of the content of teaching objectives: 1. With the help of balances or coins, preliminary understanding of “to find defective ” a basic solution to problems and methods. 2. To “find defective” as the carrier, through the observation, speculation, testing, reasoning, etc., to understand the diversity of the problem and the optimal strategy, through a variety of thinking process to optimize, feel inductive reasoning and reverse push The important idea of law. 3. Feel the extensive application of mathematics in daily life, trying to solve the simple problems in real life with mathematics method, and initially cultivate students’ ability to apply consciousness and solve practical problems.