思维是语言的灵魂,语言是思维的火花。数学是一门讲道理的学科,为了给孩子广阔的天地去感受数学之美,领略数学之道充分发挥学生学习主体性,培养学生数学逻辑思维,提高数学语言表达能力和逻辑思维能力,使学生从说理中感悟数学思想方法,提升数学核心素养,美峰小学开展数学“说理小达人”活动。让我们共同来领略“说理小达人”的风采吧!
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校级初选
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一年级
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说理小达人:赖诗霖
说理内容:《9加几凑十法进位加法》
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说理小达人:赖诗雨
说理内容《8加几凑十法进位加法》
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说理小达人:林泽晟
说理内容:《7加几凑十法进位加法》
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二年级
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说理小达人:林梓晨
说理内容:《不进位加法》
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说理小达人:林子航
说理内容:《退位减》
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三年级
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说理小达人:林星宇
说理内容:《三位数加三位数连续进位》
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说理小达人:林熠婕
说理内容:《几分之一》
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说理小达人:林思彤
说理内容:《为什么长方形的周长=(长+宽)✖️2》
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说理小达人:林涵彬
说理内容:《为什么正方形的周长=边长✖️4》
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四年级
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说理小达人:陈子安
说理内容:《三位数乘两位数·错中求解》
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说理小达人:林圣阳
说理内容:《运用积的变化规律解决问题》
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五年级
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说理小达人:林铭涛
说理内容:《三角形面积的推导过程》
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说理小达人:张佳琪
说理内容:《三角形面积的推导过程》
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说理小达人:林子琴
说理内容:《平行四边形面积的推导》
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说理小达人:林子楷
说理内容:《商的小数点为什么要和被除数的小数点对齐》
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六年级
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说理小达人:林梓恒
说理内容:《圆的面积》
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说理小达人:林亿豪
说理内容:《圆的周长》
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说理小达人:林锦澎
说理内容:《分数乘法》
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同学们的落落大方,充满了自信与阳光。他们掷地有声表达,或结合课件,或动手演示,表达流利、思路清晰,言之有序、言之有理。
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评委老师们从选手们解读题意的准确性、说理过程的完整性和条理性、说理形式的多样性、思维过程的独特性等方面进行打分。经过激烈的角逐,各年级评选出了一、二、三等奖。
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参加中心校比赛
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最终,我校林子楷同学以第一名、陈子安同学以第三名的成绩在中心校的比赛中脱颖而出
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参加县级比赛
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以说促思,以理服人,言之有理,落笔有据。我校林子楷同学代表安厚中心小学到县里参加决赛。
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决赛分为自选题目现场“说理”和现场随机抽题“说理”两部分。林子楷同学表现出色,在县级比赛中荣获一等奖!!
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学之道,在于辨,在于说理,而能悟理。此次说理比赛,让学生们感受了数学之美,领悟了数学之道。平和县美峰小学“说理”之风已兴,“说理”之行已在路上。让我们以“说理”为桨,启航新征程!
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