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四巧板100个摆法和图形

来源:baiyundou.net   日期:2024-07-04

大众网记者 李溯 通讯员 季宁宁 潍坊报道

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为深入贯彻落实“双减”政策,积极展示义务教育阶段学校课后服务特色与成果,潍州麓台学校课后服务模式旨在减轻学生的课业负担,满足学生个性化发展需要,提升学生的幸福感。让学习回归校园,让教育回归初心!

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多彩课服

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潍坊市潍州麓台学校以落实新课标教学要求,践行“以学生为中心”的教育理念,在现有的课后服务基础上,根据学生个体差异,优化课后服务课程内容,科学组织实施个性化的课后服务,为学生提供了丰富多彩的“基础+特色”课后服务课程。

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通过作业辅导与社团活动,培养学生广泛的兴趣爱好,提升学生的综合素养,助力学生全面健康成长。

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精彩社团

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社团活动是学校结合学生们的兴趣爱好,对学生进行培养,促进学生全面发展,使他们的校园生活更加丰富多彩。下面让我们来看一看精彩纷呈的社团活动纪实吧!

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语文类

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诗词以其精练的语言,丰富的想象,真挚的情感感染着每一个人。麓台儿童诗社旨在让热爱诗词的孩子们通过一学期的积累、诵读,畅游在经典诗词的海洋,流连忘返。从夏日的骄阳似火,到冬日的寒风冷冽,每一个孩子都俯首是诗,凝眸是画,俨然成了“腹有诗书气自华”的诗词小达人。

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“课本剧”通过剧场表演的形式,激发学生对课本内容的兴趣和理解。在课程中,学生将学习如何选择适合剧场表演的故事情节,进行角色扮演和台词练习。他们将通过动作、语言和表情等手段,将课本中的内容栩栩如生地展现出来。

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数学类

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数独、四巧板等社团,真正落实“玩中学,学中玩”的教学理念,在活动中培养了学生对数学的兴趣和能力。

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音乐类

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合唱、民乐、舞蹈、鼓号队等社团尊重学生的自主选择,培养学生的广泛兴趣爱好,使学生得到全面的锻炼和发展。

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体育类

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足球、篮球、排球、乒乓球、橄榄球等球类社团,在体育教师专业的辅导下,学生们掌握运动技能、强健体魄,那一张张红扑扑的小脸绽放着灿烂的笑容,洋溢着运动之美!

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书画类

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巧手绘世界,落笔显童真。一张纸在学生们的妙笔下变成了五彩的世界,幻化成了世间万物。他们在美术教师的精心指导下,学会了运用各种媒材和技艺。版画、剪纸、儿童画、中国画、书法等社团成为学生艺术创作的自由天地!

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科技类

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在编程、创客、无人机等社团中,学生在课程初级阶段学习图形化编程,通过容易理解的、感兴趣的代码,制作趣味动画及简单的游戏,熟练建构编程知识能力,运用编程知识来解决生活中常见的问题,并能够利用电脑进行创造性的活动。学生的创新精神、实践能力、思维逻辑能力和计算思维能力得到提升。

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传统文化类

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传承中华优秀传统文化,厚植爱国主义情怀,在珠心算社团、象棋社团,学生从兴趣体验到专业化的深入钻研学习,逐渐懂得了中华文化独一无二的理念、智慧和神韵。

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社团之花齐绽放,姹紫嫣红香满园。每一位学生都像一朵朵绽放的花朵,丰富多彩的社团活动为他们打造了一个多元的成长舞台,满足每个学生不同的发展需求,让每一位学生在精彩的社团活动中挖掘潜能、展示自我、体验快乐、增强自信。

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课后服务活动从开始实行至今,学生们收获着知识与快乐,家长们收获着来自学校的安心与温暖,老师们收获着信任与幸福。

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多样化的课后服务形式,既丰富了学生校园生活,陶冶了情操、锻炼了体魄,同时将第一课堂和第二课堂充分融合,对课堂教学进行了有效补充和拓展,有力提升了学生知识储备,助力学生德智体美劳全面发展。潍州麓台学校小学部将坚持构建“作业辅导+特色社团”的课后服务模式,相信同学们定能成长为“心中有阳光,眼里有远方,手上有特长,脚下有力量”的新时代骄阳!

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崔通曲3582用小棒按照如图方式摆图形.摆第5个图形需要________根小棒,摆第100个图形需要________根小棒. -
益婕侧13758074429 ______[答案] 36 701 摆一个八边形,需要8根小棒; 摆两个八边形,需要8+1*7根小棒; 摆三个八边形需要8+2*7根小棒;…摆n个八边形,需要8+(n-1)*7根小棒; (1)当n=5时,需要小棒:8+(n-1)*7=8+4*7=36(根), (2)当n=100时,需要小棒:8+(100-1...

崔通曲3582100根小棒摆一个正方形两个正方形三个正方形……能摆多少个 -
益婕侧13758074429 ______ 100根小棒摆33个正方形 小棒数量=正方形个数 x 3 +1 100=正方形个数 x 3+1 正方形个数=33

崔通曲3582 贝贝用小棒按照下图的方式摆图形,摆l个八边形用8根小棒,摆2个八边形用l5根小棒…摆100个八边形用__根小棒,摆n个八边形用__根小棒. -
益婕侧13758074429 ______[答案] 分析:摆一个八边形用了8根小棒,摆两个八边形就多用了7根,摆三个就多用了7*2根,…能够根据图形发现规律:多一个八边形,就多用7根小棒,则在第n个图形中,需要小棒:8+7(n-1)=7n+1根.根据题干分析可得:在第n个图形中,需要小棒8+7...

崔通曲3582用小棒按照如下的方式摆图形.摆1个八边形需要8根小棒,摆两个八边形需要15根小棒…摆100个八边形需要______根小棒. -
益婕侧13758074429 ______[答案] 根据题干分析可得:在第n个图形中,需要小棒8+7(n-1)=7n+1根; 当n=100时, 7*100+1=701(根), 答:摆100个八边形需要701根小棒. 故答案为:701.

崔通曲3582如果摆100个正方形,需要多少根小棒 -
益婕侧13758074429 ______ 1.首先假设这100个正方形是分开摆的,即需要100*4根火柴. 那么这个100正方形连在一起时,有99条边是公共边 (由个2正方形有1条公共边, 有3个正方形有2条公共边......继续推算得到100个正方形有99条公共边) 所以需要400-99=31根小棒 2.数量 正方形 1 2 3 4 5 6 ...... n(n

崔通曲3582按下图的规律摆下去,摆20个平行四边形需要()根小棒,摆100个平行四边形需要()根小棒 -
益婕侧13758074429 ______[答案] 61根 ;301根

崔通曲3582四巧板是谁发明的 -
益婕侧13758074429 ______ 宋朝有个叫黄伯思的人,对几何图形很有研究,他热情好客,发明了一种用6张小桌子组成的“宴几”——请客吃饭的小桌子.后来有人把它改进为7张桌组成的宴几,可以根据吃饭人数的不同,把桌子拼成不同的形状,比如3人拼成三角形,4人拼成四方形,6人拼成六方形……这样用餐时人人方便,气氛更好.后来,有人把宴几缩小改变到只有七块板,用它拼图,演变成一种玩具.因为它十分巧妙好玩,所以人们叫它“七巧板”.到了明末清初,皇宫中的人经常用它来庆贺节日和娱乐,拼成各种吉祥图案和文字,故宫博物院至今还保存着当时的七巧板呢! 18世纪,七巧板传到国外,立刻引起极大的兴趣,有些外国人通宵达旦地玩它,并叫它“唐图”,意思是“来自中国的拼图”.

崔通曲3582用围棋子按下面的规律摆图形,(1)求摆第100个图形需要围棋子的枚数是多少?(2)摆第n个图形需要围棋子的枚数是多少? -
益婕侧13758074429 ______[答案] (1)如图所示,利用“串联法”可得,摆第100个图形需要围棋子的枚数=100*3+2=302; (2)由(1)的规律可知,摆第n个图形需要围棋子的枚数是(3n+2).

崔通曲3582一个多边形的内角和比它的外角和的三倍少180度,这个多边形的边数是多 -
益婕侧13758074429 ______ 一个多边形的内角和比它的外角和的三倍少180度,这个多边形的边数是多少? (360*3-180)÷180+2 =900÷180+2 =5+2 =7

崔通曲3582如图是一组有规律摆放的图案,第1个图案由4个基础图形组成,第2个图案由7个基础图形组成,…,第100个图案由___个基础图形组成. -
益婕侧13758074429 ______[答案] 第1个图案基础图形的个数为4, 第2个图案基础图形的个数为7=4+3, 第3个图案基础图形的个数为10=4+3*2, …, 第n个图案基础图形的个数为4+3(n-1)=3n+1, 所以第100个图案由3*100+1=301个基础图形组成. 故答案为:301.

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