“百分数的应用”这一单元,主要是在具体情境中加深对百分数的理解,会运用百分数知识及方程解决一些实际问题,提高解决实际问题的能力,感受百分数与日常生活的密切联系。一、联系生活实际,提升学生的学习兴趣小学数学新课程标准强调数学与现实生活的联系,而且要求教学必须从学生熟悉的生活和感兴趣的事物出发,使学生体会到数学就在身边,体会到数学的魅力。学生在讲到生活中的百分数时,滔滔不绝,衣服标签上的各种成分含量占百分之几,手中矿泉水、饮料瓶标签上的百分数,有与自己日常生活相关的正确率、 This unit of “percentage application” focuses on deepening the understanding of percentages in specific contexts. It will use percentile knowledge and equations to solve practical problems, improve their ability to solve practical problems, and feel the close relationship between percentages and daily life. First, contact with the reality of life, enhance students ’interest in learning The new curriculum standard of primary school mathematics emphasizes the connection between mathematics and real life, and requires that teaching must start from students’ familiar life and interesting things, so that students can understand mathematics around and experience To the charm of mathematics. Students talk about the percentage of life, endless, the content of various components of clothing labels accounted for a few percent, the hands of mineral water, beverage bottle label percentage, with their own daily life-related accuracy,