三角形的分类简短评课
三月春浪漫,美好如约至;
双向之奔赴,所遇皆温柔。
我们相聚于此,共启沉浸式交流……
3月21日上午,胜利小学“名校+”发展共同体“聚焦核心素养 提升课堂品质”系列教学研讨活动在故市镇渭阳学校如期开展。胜利小学“名校+”发展共同体核心校校长贺海阔、副校长陈冬娟、教师发展中心主任刘婷、区级教学能手薛苗莉、宋英老师及成员校教师代表共20余位老师参加了此次活动。
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送教展风采,观摩共成长
宋英老师执教的四年级数学课《三角形分类》,精彩纷呈。她重视学生学习过程,将学生置于学习主体地位,巧妙引导学生主动探索、自我发现。通过一系列课堂活动,如“取名字”“找朋友”“猜一猜”等游戏,激发学生学习兴趣,营造了良好的课堂氛围。学生在“做中学”“学中做”“做中悟”“悟中创”的过程中,不仅获取了知识,更培养了能力。
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讲座促管理,分享传真知
薛苗莉老师带来了《“6921”班级学习小组的有效构建》专题培训。她从小组模式构建体系和合作学习模式探讨两方面展开,介绍了班级管理中使用的“优秀小组 6+X”评价量化表、学生“五会”评价表和“小组习惯之星积分表”。这些方法让学生有更多机会参与学习活动,体验成功喜悦,从而快乐学习。在这样的环境中,学生的思维火花得以碰撞,感受集体智慧,获得心智发展,绽放生命活力。
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送沟通话心得,研讨促提升
渭阳学校教师发展中心主任马进安组织全体参研教师进行评课议课和答疑解惑活动。老师们结合听课收获和实际情况,分享思考与感悟,提出难题与困惑。薛老师和宋老师倾囊相授,用心解答,现场气氛热烈,互动频繁。每一次倾听,都有思想的澎湃;每一次交流,都有心灵的震撼;每一次研讨,都有新奇的发现。老师们开阔了视野,增长了见识,收获了智慧。
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行而有思,思而行远。胜利小学“名校+”发展共同体的此次送教送培活动,不仅是经验的分享,更是思维的碰撞。送教暖人心,互助共成长。我们五所学校的全体教师将继续在思考中前行,在前行中感悟,让智慧之花铺满逐梦之路!
撰稿/刘婷
摄影/刘婷 李虹
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童贱黛4334三角形的分类有几种呢? -
钟剂宙17310935979 ______ 按角分为:锐角三角形,直角三角形,钝角三角形 按边分为:等边三角形,等腰三角形,其它三角形
童贱黛4334三角形的分类(按角的特征分类) -
钟剂宙17310935979 ______ 1.直角 2.(1)锐角 (2)钝角
童贱黛4334三角形的分类方法有几种 -
钟剂宙17310935979 ______[答案] 三角形的分类 ①按角的分类:锐角三角形[它的角在(0度,90度)];直角三角形(它的一个角是直角);钝角三角形[它的一个角在(90度,180度)]. ②按边分类:不等边三角形,等腰三角形(特别地,当三边都相等时,称为等边三角形或正三角形...
童贱黛4334三角形的概念
钟剂宙17310935979 ______ 由不在同一直线上的三条线段首尾顺次连接所组成的封闭图形叫做三角形. 平面上三条直线或球面上三条弧线所围成的图形. 三条直线所围成的图形叫平面三角形;三条弧线所围成的图形叫球面三角形,也叫三边形
童贱黛4334三角形的分类
钟剂宙17310935979 ______ 直角,等腰,等边,锐角,钝角.
童贱黛4334三角形的分类有几种呢? -
钟剂宙17310935979 ______[答案] 按角分为:锐角三角形,直角三角形,钝角三角形 按边分为:等边三角形,等腰三角形,其它三角形
童贱黛4334三角形的分类
钟剂宙17310935979 ______ 三角形分为直角三角形,锐角三角形,钝角三角形
童贱黛4334三角形的分类 -
钟剂宙17310935979 ______ 按照角度分:锐角三角形,直角三角形,钝角三角形 按照边来分:普通三角形,等腰三角形,等边三角形
童贱黛4334三角形的分类有几种为什么 -
钟剂宙17310935979 ______[答案] 三种,直角三角形,纯角三角形,锐角三角形