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角的度量:“认识钟面上的角”交互课件

  • 2026-11-08 04:39:53
角的度量:“认识钟面上的角”交互课件
碎碎念:上周一个班讲完了《角的度量》这个单元的复习作业内容，其中“钟面上角的问题”，“折纸中角的问题”和“用一副三角尺拼角的问题”这三类问题讲起来我觉得特别麻烦又抽象，而且基础弱的同学虽然课上动手操作经历了折纸和拼角的过程，但是看作业反馈情况还是不太理想~所以今天又和飞象聊了会，做了两个关于解决“钟面上的角”问题的交互动画，下周给另一个基础弱的班讲练习的时候刚好可以用上！🥰
       上周讲练习是自己在黑板上画出了钟面上的12个大格，然后画出了其中一个大格里的5个小格来帮助他们直观感知，我觉得比较费时间，而且画草图不标准，不能让孩子们正确感知30°角和6°角的大小
     第一个动画解决第一个问题，让学生直观理解钟面上一共有12个大格，每个大格是30°，每个大格里有5个小格，所以每小格是6°。👇🏻👇🏻👇🏻
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      第二个动画解决的是第二小题，让学生直观看到时针和分针在不同时间所形成的角。
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补充:昨天那个交互课件好多四面八方的同仁们私聊我说不知道点哪里可以看到交互课件，在这里给大家补张图，大家找课件页面中的“超链接🔗”直接点击，就会跳转到网页动画中哦！
ps:本来还做了一个“用一副三角尺拼角”的动画，结果不管怎么聊，调整了n+n次，都没能做出我想要的效果，最后把飞象整卡顿了~哈哈~看来也有它不会做的时候🤭🤭🤭后期将持续和飞象老师做朋友，做出我们常规课堂实用的动画，需要以上交互课件的同仁们评论区留言哦！🤗
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0.106170s