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教师利用小视频引入本节课,引导学生运用看、摸、用、数、比、称等方法来识别日常生活中的次品,并围绕识别次品、“改造”次品开展综合实践活动,让学生对次品有正确认识,培养质量意识。通过小组合作,探究改造次品的方法,培养学生动手、动脑解决问题的能力,发展创新精神和实践能力,培养学生团队协作的意识。通过拓展活动使学生了解次品会产生的危害,引导学生明确做事认真、细致、注重质量的态度。
Teachers use a small video to introduce this lesson to guide students to identify the defects in their daily life by using methods such as looking, touching, using, counting, comparing and weighing, and carry out comprehensive practices around the identification of defective products and “defective products” Activities, so that students have a correct understanding of defective products, cultivate a sense of quality. Through teamwork, explore ways to transform defective products, develop students ’ability to solve problems, develop innovative spirit and practical ability, and cultivate students’ awareness of teamwork. Through activities to enable students to understand the dangers of defective products, to guide students to clear work seriously, meticulous, quality-oriented attitude.