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2022年4月26日,高一年级数学备课组进行了教学研讨活动。本次活动的主要内容:研讨《第八章.立体几何初步》.研究教材,教法,研究学情。
一、教材重点:
1.了解全章知识结构,知道柱、锥、台表面与展开图的关系及表面积的计算方法;
2.能记住柱、锥、台、球的表面积和体积的计算公式,并能用这些公式计算一些简单几何体的表面积和体积,解决简单的实际问题;
3.根据空间角的概念,能将空间问题转化为平面问题,会求简单空间图形中两条异面直线所成的角、直线与平面所成的角和二面角的大小.发展学生的直观想象、数学运算、逻辑推理等数学素养.
4.空间点、直线、平面的位置关系的判定;
5.三种平行之间转化的应用及探索性问题的一般解题策略。
6.三种垂直之间转化的应用及探索性问题的一般解题策略。
二、教学难点:
1.平行、垂直的判定与性质的应用
2.探索性问题的理解。
","type":1},{"audio_music_id":0,"img_height":1600,"img_size":436,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/20c411e608b8dae4ade8f4571f7330b8__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzIwYzQxMWU2MDhiOGRhZTRhZGU4ZjQ1NzFmNzMzMGI4X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":1600,"img_size":475,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/cc32c57160c76674697d822bbdb818e3__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2NjMzJjNTcxNjBjNzY2NzQ2OTdkODIyYmJkYjgxOGUzX19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"三、教学建议:
建构知识结构图,促使学生把原本零散的互不相连的各个知识点相互联系起来,加深内部的联系,对这部分知识系统化和网络化,通过表格梳理知识,有利于知识的条理化;
","type":1},{"audio_music_id":0,"img_height":670,"img_size":99,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/17ed253cdec7a205e649e963c90f57d0__jpg.heic","img_width":744,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzE3ZWQyNTNjZGVjN2EyMDVlNjQ5ZTk2M2M5MGY1N2QwX19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":546,"img_size":80,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/ff23df26d615fa0188ae366e2b06aff5__jpg.heic","img_width":376,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2ZmMjNkZjI2ZDYxNWZhMDE4OGFlMzY2ZTJiMDZhZmY1X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":498,"img_size":89,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/4a455512e173c45f0322cb0ef7a619b4__jpg.heic","img_width":438,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzRhNDU1NTEyZTE3M2M0NWYwMzIyY2IwZWY3YTYxOWI0X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"从文字语言、图形语言、符号语言三方面形成对比,加深各定理的理解。培养学生的数学阅读能力
及时归纳空间点、直线、平面位置关系的判定问题的一般方法。
","type":1},{"audio_music_id":0,"img_height":686,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/fa30b7444c98f811d8de0555cced0bf6__jpg.heic","img_width":744,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2ZhMzBiNzQ0NGM5OGY4MTFkOGRlMDU1NWNjZWQwYmY2X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"理清知识脉络,对这部分知识系统化和网络化;
","type":1},{"audio_music_id":0,"img_height":1600,"img_size":435,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/59af96d4afef42280313395395a15374__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzU5YWY5NmQ0YWZlZjQyMjgwMzEzMzk1Mzk1YTE1Mzc0X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"教学建议:通过例题巩固,揭示解题规律,总结解题方法,提高这部分的思辨能力,强化规范,提高示范功能。
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一、教材重点:
1.了解全章知识结构,知道柱、锥、台表面与展开图的关系及表面积的计算方法;
2.能记住柱、锥、台、球的表面积和体积的计算公式,并能用这些公式计算一些简单几何体的表面积和体积,解决简单的实际问题;
3.根据空间角的概念,能将空间问题转化为平面问题,会求简单空间图形中两条异面直线所成的角、直线与平面所成的角和二面角的大小.发展学生的直观想象、数学运算、逻辑推理等数学素养.
4.空间点、直线、平面的位置关系的判定;
5.三种平行之间转化的应用及探索性问题的一般解题策略。
6.三种垂直之间转化的应用及探索性问题的一般解题策略。
二、教学难点:
1.平行、垂直的判定与性质的应用
2.探索性问题的理解。
","type":1},{"audio_music_id":0,"img_height":1600,"img_size":436,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/20c411e608b8dae4ade8f4571f7330b8__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzIwYzQxMWU2MDhiOGRhZTRhZGU4ZjQ1NzFmNzMzMGI4X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":1600,"img_size":475,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/cc32c57160c76674697d822bbdb818e3__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2NjMzJjNTcxNjBjNzY2NzQ2OTdkODIyYmJkYjgxOGUzX19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"三、教学建议:
建构知识结构图,促使学生把原本零散的互不相连的各个知识点相互联系起来,加深内部的联系,对这部分知识系统化和网络化,通过表格梳理知识,有利于知识的条理化;
","type":1},{"audio_music_id":0,"img_height":670,"img_size":99,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/17ed253cdec7a205e649e963c90f57d0__jpg.heic","img_width":744,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzE3ZWQyNTNjZGVjN2EyMDVlNjQ5ZTk2M2M5MGY1N2QwX19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":546,"img_size":80,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/ff23df26d615fa0188ae366e2b06aff5__jpg.heic","img_width":376,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2ZmMjNkZjI2ZDYxNWZhMDE4OGFlMzY2ZTJiMDZhZmY1X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"img_height":498,"img_size":89,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/4a455512e173c45f0322cb0ef7a619b4__jpg.heic","img_width":438,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzRhNDU1NTEyZTE3M2M0NWYwMzIyY2IwZWY3YTYxOWI0X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"从文字语言、图形语言、符号语言三方面形成对比,加深各定理的理解。培养学生的数学阅读能力
及时归纳空间点、直线、平面位置关系的判定问题的一般方法。
","type":1},{"audio_music_id":0,"img_height":686,"img_size":63,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/fa30b7444c98f811d8de0555cced0bf6__jpg.heic","img_width":744,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0L2ZhMzBiNzQ0NGM5OGY4MTFkOGRlMDU1NWNjZWQwYmY2X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"理清知识脉络,对这部分知识系统化和网络化;
","type":1},{"audio_music_id":0,"img_height":1600,"img_size":435,"img_url":"https://ss-mpvolc.meipian.me/users/321105154/59af96d4afef42280313395395a15374__jpg.heic","img_width":1200,"is_origin":false,"source":0,"type":1,"watermark":"?meipian-watermark/bucket/ivwen/key/dXNlcnMvMzIxMTA1MTU0LzU5YWY5NmQ0YWZlZjQyMjgwMzEzMzk1Mzk1YTE1Mzc0X19qcGcuaGVpYw==/nickname/5ZGo5rW354eV/userid/MzIxMTA1MTU0/sign/f0a0fea226a6698f766d8e5d848ed84d"},{"audio_music_id":0,"source":0,"text":"教学建议:通过例题巩固,揭示解题规律,总结解题方法,提高这部分的思辨能力,强化规范,提高示范功能。
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