内容正文:
第九课 勤于动脑
第三单元 走上成功之路
小学心理健康·四年级(下)·北师大版
新课导入
热身活动
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新课导入,热身活动
老师出示脑筋急转弯,同学们举手抢答,答对得1分,答错不扣分,共8道题。得分最高的同学获得贴纸。
脑筋急转弯
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新课导入,热身活动
脑筋急转弯
1.什么东西越洗越脏?
2.什么东西有四条腿却不会走路?
3.什么东西越热越爱出来?
4.什么东西明明是你的,
别人却用得比你多?
(答案:水)
(答案:桌子/椅子)
(答案:汗)
(答案:你的名字)
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新课导入,热身活动
脑筋急转弯
5.什么东西打破了不会受罚,
反而很开心?
6.什么动物天天熬夜?
7.什么东西越擦越黑?
8.一只鸡和一只鹅同时放进冰箱,
为什么鸡冻死了鹅没冻死?
(答案:纪录)
(答案:熊猫)
(答案:黑板)
(答案:那是一只企鹅)
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新课导入,热身活动
同学们刚才都积极开动脑筋,快速思考答案,是不是觉得特别有趣?其实,脑筋急转弯就需要我们多动脑、多思考,才能找到答案。就像古人说的“流水不腐,户枢不蠹”,大脑也一样,越用越灵活,越动脑越聪明。因此,同学们要——勤于动脑。
脑筋急转弯
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创设情境
呈现问题
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创设情境,呈现问题
徐文长的智慧
徐文长聪明、机智,从小就善于动脑筋思考。
徐文长的伯父很喜欢他,常想些方法逗他。一次,伯父领着徐文长来到一座贴着水面、桥身既窄又软的竹桥边,把两只水桶装满了水,对他说:“你能提着这两桶水过桥,我就送你一件礼物。”徐文长想了一下,就脱下鞋,用两根绳子把小桶系住,再把装满了水的木桶放到水里,这样他提着两根绳子走过了桥。
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创设情境,呈现问题
徐文长的智慧
伯父又说:“过了桥,礼物我当然要给你,但要按我说的要求去取。”说着,他把那件礼物吊到一根长竿顶上,并且告诉徐文长:“你既不能站在凳子之类的高地方去取,又不能把竹竿横下来。”徐文长摸了摸后脑勺,马上想出了方法。他拿着竹竿一直走到一口井边,然后把竹竿伸向井口,他就顺利地拿到了那件礼物。
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创设情境,呈现问题
文彦博捞球
文彦博自幼天资聪颖,小时候和伙伴玩球时,一不小心,球掉进一棵大树的树洞里去了。小朋友尝试伸手进树洞取球,可是树洞太深,怎么也摸不到底,也想不出其他办法来。文彦博看着树洞想了一会儿,说:“我有个办法,可以试一试!”随后他叫几个小朋友提来几桶水,把水一桶一桶往树洞里灌,不一会儿水就把树洞给灌满了,皮球也浮了上来。
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创设情境,呈现问题
故事启示
徐文长和文彦博是怎么解决难题的?
结合生活实际,说说你勤于动脑解决过什么问题?当时是什么感受?
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创设情境,呈现问题
心灵点拨
“刀不磨不快,脑不用不灵”,徐文长和文彦博的故事告诉我们,大脑就像一台机器,越用越灵活,越动脑越聪明。勤于动脑、善于思考,能帮助我们解决生活和学习中的很多难题,还能让我们的思维越来越敏捷。
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互动参与
解决问题
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互动参与,解决问题
进城门的毛竹
春秋战国时期,鲁国有一个农夫进城卖毛竹,当他将一根又长又粗的毛竹扛到城门口时,怎么也进不去城门。他竖着拿,毛竹高于门洞,它被城门上边的墙卡住了。于是,他又改为横着拿毛竹,它又被城门两边的墙卡住了。那个农夫在城门口折腾老半天,就是不能把毛竹扛进城。
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互动参与,解决问题
进城门的毛竹
后来,他接受别人的建议,把毛竹锯成两段,这才把毛竹扛进城。
到了晚上,只见农夫扛着两段毛竹出城了。原来被锯断的毛竹已不成材,也就没人买了,他只好把卖不出去的毛竹又扛回家了。
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互动参与,解决问题
进城门的毛竹
1.为什么农夫的毛竹会变成废品?他犯了什么错呢?
2.农夫的故事说明了什么?对你有什么启示呢?
3.你犯过跟农夫一样的错误吗?以后打算怎么做呢?
说 一 说
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互动参与,解决问题
遇到问题时,蛮干只会适得其反,只有勤于动脑、善于思考,从不同角度想办法,才能顺利解决问题,避免做“糊涂事”。
心灵点拨
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1.一个苹果切成12块,最少要切几刀?
思维大挑战
互动参与,解决问题
最少要切4刀。
先竖切3刀分成6块,再横切1刀,变成12块。
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2.你能将7颗黄豆摆成6行,每行里都有3颗黄豆吗?
思维大挑战
互动参与,解决问题
摆成一个三角形,每个顶点放1颗,每条边中间放1颗,3个顶点+3条边中间=6颗,再在三角形中心放1颗,共7颗,每条边3颗,刚好6行。
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优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
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3.请填好下面数字序列中缺少的数字。
(1)1,4,9,16,25,( ),49,…
(2)21,13,8,5,3,( ),1,…
(3)45,1,43,3,41,5,( ),( ),37,9,…
思维大挑战
互动参与,解决问题
36
2
39
7
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PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
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4.从1加到100(即1+2+3+4+5+6+7+…+98+99+100)等于多少?你有什么快速得到答案的好方法吗?
思维大挑战
互动参与,解决问题
高斯求和法
把首尾配对:
1 + 100 = 101 2 + 99 = 101 3 + 98 = 101……
一共有 50 对这样的数。
所以总和 = 101 × 50 = 5050
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
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互动参与,解决问题
这些小任务看似难,只要我们勤于动脑、认真思考,多尝试、多调整,就能找到解决办法。思考就像润滑油,能让我们的大脑越转越快。
其实,勤于动脑还能让我们突破常规,想到更多不一样的方法。
心灵点拨
思维大挑战
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
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互动参与,解决问题
创意用途大比拼
我们在回答一件物品的用途时有普通回答和创造性回答。如“钥匙”,我们可以回答“房门钥匙”“汽车钥匙”“自行车钥匙”等,但这些回答即使说出一百种,也没有突破钥匙常规的用途,随着现今科技的发展,出现了磁性钥匙、卡片钥匙,甚至人的眼睛、声音、指纹都可以当钥匙。再发散开去,还有打开心灵的钥匙、开启智慧的钥匙,这些都已突破了钥匙只用于开锁的思维定势,这些就是创造性的回答
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节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
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互动参与,解决问题
创意用途大比拼
4人一组,分工合作,说一说这些生活用品的普通用途和创造性的用途,普通用途1分/个,创造性用途5分/个,限时5分钟,最后统计小组总分。
玻璃杯、塑料瓶、纸盒、
毛巾、橡皮、 旧年历、回形针
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
互动参与,解决问题
创意用途大比拼
玻璃杯
普通用途:喝水、装牛奶
创造性用途:养小多肉、做笔筒、当小台灯底座
毛巾
普通用途:洗脸、擦手、擦身体
创意用途:做成小抱枕、小坐垫、包扎小伤口(应急)、绑在椅子上当防滑垫
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
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互动参与,解决问题
创意用途大比拼
橡皮
普通用途:擦铅笔字
创意用途:粘住小灰尘、做印章(刻图案)、固定小零件防滑
回形针
普通用途:夹纸、固定文件
创造性用途:做成手机取卡针、拉直当小钩子、做成小挂件、小戒指、固定拉链头、临时挂钩
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
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互动参与,解决问题
很多物品的用途不止一种,只要我们勤于动脑、大胆思考,突破常规思维,就能发现更多创意用途,这就是勤于动脑的魅力。
心灵点拨
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
互动参与,解决问题
方法指南
世界上最不能闲置的就是我们的大脑,勤于用脑能够保持和发展人的智力,提高学习和工作的效率。
具体可以怎样做呢?
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
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互动参与,解决问题
方法指南
1.夯实知识基础:努力学好各门功课,掌握各种知识,这是开发大脑、勤于动脑的基础。
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
互动参与,解决问题
方法指南
2.勇于攻克难题:遇到难题不害怕、不退缩,多动脑筋、勤于思考,从不同角度考虑问题,用多种方法解决问题。
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
互动参与,解决问题
方法指南
3.积极参与劳动:多参加劳动,在劳动中观察、思考、动手,获取知识、开阔眼界,锻炼大脑智慧。
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
互动参与,解决问题
方法指南
4.认真听讲思考:老师讲课时,认真倾听、善于思考,抓住重点,培养良好的观察能力,做到边看、边想、边做;老师提出问题,立刻思考,想不出来就重述问题,理清自己的思路。
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
总结升华
课后拓展
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
总结升华,课后拓展
1.勤于动脑,让思维更敏捷。大脑越用越灵活,多思考、多尝试,能让我们的思维更开阔,更快找到解决问题的方法。
2.勤于动脑,让学习更高效。遇到学习难题时,主动思考、不轻易放弃,能帮助我们更好地掌握知识,提升学习能力。
3.勤于动脑,让生活更精彩。善于思考能让我们突破常规,发现生活中的乐趣。
课堂小结
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
总结升华,课后拓展
回家后和爸爸妈妈一起完成下面3个挑战:
1.一口气说出你能想到的所有树的名称。
2.看到红颜色,你想到了什么?
3.迅速说出10种含三角形的物品。
比一比谁的脑筋转得快。
亲子动脑挑战赛
PPT模板下载:www.1ppt.com/moban/ 行业PPT模板:www.1ppt.com/hangye/
节日PPT模板:www.1ppt.com/jieri/ PPT素材下载:www.1ppt.com/sucai/
PPT背景图片:www.1ppt.com/beijing/PPT图表下载:www.1ppt.com/tubiao/
优秀PPT下载:www.1ppt.com/xiazai/PPT教程: www.1ppt.com/powerpoint/
Word教程: www.1ppt.com/word/Excel教程:www.1ppt.com/excel/
资料下载:www.1ppt.com/ziliao/PPT课件下载:www.1ppt.com/kejian/
范文下载:www.1ppt.com/fanwen/ 试卷下载:www.1ppt.com/shiti/
教案下载:www.1ppt.com/jiaoan/
字体下载:www.1ppt.com/ziti/
THANKS
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