知之— wall by 知之 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9 随手偶为。 en-us 2017-05-15 08:40:20 UTC 2023-04-23 12:03:04 UTC hello@padlet.com 数列概念的教学（第一课时） xhuangzhi2008 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171773690 2017-05-15 08:40:47 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171773690 第一步：呈现各种数列，让学生思考：寻找一种分类依据，把上述数列归类 xhuangzhi2008 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171773825 2017-05-15 08:41:30 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171773825 应该先将毕达哥拉斯的几何数入手，作为新课的引入情境比较有趣，能吸引学生。 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171777919                              数学组]]> 2017-05-15 09:05:36 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171777919 课本插图 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171786270 课本页面的引入情境比较有吸引力]]> 2017-05-15 09:53:36 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171786270 课本的情境设置是可取的。不必修改！ glgzshuxue https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171835442 2017-05-15 13:48:49 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171835442 1173181401 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171869315 第二步：了解项与项数，分析每一类数列的特点，寻找每一项与项数之间的]]> 2017-05-15 15:32:25 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171869315 第三步 1173181401 https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171875142 2017-05-15 15:49:41 UTC https://padlet.com/xhuangzhi2008/emp9wzz2wsx9/wish/171875142