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为了更好地贯彻落实《义务教育数学课程标准(2022版》的新要求,滨州市小数团队在市教研员谷翠翠老师的引领下开展了以“小学生数学核心素养培养研究与实践”为主题的基地学校教研系列活动。
","type":1},{"audio_music_id":0,"ext":{"unique_id":"efab9c0b1ae35f933cb202796d4a85f9"},"sectionPublished":true,"source":0,"text":"11月3日晚上7:00,滨州市滨城区第四小学的每一位数学老师一起相约以“落实‘新课程标准’·共研‘图形的认识与测量’大单元”为子主题的线上教研活动,为自己加油赋能!
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","type":1},{"audio_music_id":0,"ext":{"unique_id":"242b0a0bf67ff94010f53c2d78aaa231"},"sectionPublished":true,"source":0,"text":"李老师引导学生通过用小棒摆一摆心目中的长方形,激活对长方形的感性认识。在一个小组遇到问题时更让学生体会了对边'相等这一特征。同学们提出长方形的对边相等,四个角都是直角的猜想,并分别通过量一量、折一折、比一比等探究方法去验证,得出结论,这一过程提升了学生的推理意识,实现了由感性向理性的升华。在认识了长方形特征基础上,在方格纸上给出一条边,让学生思考能画出几个长方形这种开放性问题,以及通过动画演示长方形变成正方形这些环节培养了学生的空间观念。在比较长方形与正方形异同点形成了对比学习的意识,为以后学习其他平面图形打下基础。游戏环节,让学生体会到了已学的四边形的区别与联系。最后让学生说一说身边的长方形与正方形,体会生活中处处有数学。通过本节课学习,学生可以用科学严谨的数学语言去描述生活中的长方形、正方形。各环节紧密联系,与前后知识相呼应,体现了大单元的整理观念。
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