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      关于谈谈艺术导入让小学数学妙趣横生网站位置: >> 艺术论文 >> 音乐论文 >> 浏览文章
      谈谈艺术导入让小学数学妙趣横生

      论文导读:。数学课堂中理由能激发学生积极的深思。 因此,在课堂导入时创设理由情境,既能激发学生的学习热情,又能增强他们探索理由的兴趣。这完全符合小学生的认知特点,从而使课堂导入有实效。例如:在教学“找规律”时,上课前让学生观察一幅情境图,初步感受一下间隔排列规律。这就为学习找规律奠定了心理基础。接着,用多媒体动画出示小

      艺术导入让小学数学妙趣横生艺术的课堂导入能让枯燥的数学知识变得生动有趣,唤起学生的思维活动,从而全身心地投入到新课的学习中。因此,教师要做教学的有心人。努力设计出学生感兴趣的接受导入方式,不让学生产生认知抵触的思维情绪,而是以活跃的思维开展认知活动。所以,采取何种艺术的导入方式激起学生学习新知的兴趣是我们值得探讨的课题。
        一、联系生活现象导入,感受数学与生活联系
        数学知识与生活紧密相连。学好了数学知识又可以服务于我们的生活。所以,在新课导入时如果能紧密联系学生的实际生活,让学生用已有的生活经验认识数学知识。这样,学生就会体验到数学知识的实用价值。从而喜爱数学这门课程。例如:在教学“面积的认识”这一内容时,就这样的联系生活现象来导入新课:随着经济的快速发展,人民生活水平得到了很大提高,很多人都想购买新房。因此,房子的面积是人们普遍关心的话题。你知道你家房子有多大吗?房子的面积一般是用“××平方米”来表示,着就是我们今天要学习的面积。在教学“认识物体”时,就用多媒体制作课件,把家长常用的茶罐、燃气灶、电动车、写字台等物体通过多媒体图片展示出来。因为这是学生生活常见的物体,所以他们很快就把这些物体的形状描述出来了,而且记忆深刻。
        二、 创设理由情境导入,增强探索理由的兴趣
        爱因斯坦说过,解决一个理由不如提出一个理由。数学课堂中理由能激发学生积极的深思。 因此,在课堂导入时创设理由情境,既能激发学生的学习热情,又能增强他们探索理由的兴趣。这完全符合小学生的认知特点,从而使课堂导入有实效。例如:在教学“找规律”时,上课前让学生观察一幅情境图,初步感受一下间隔排列规律。这就为学习找规律奠定了心理基础。接着,用多媒体动画出示小动物找手帕情境。动画中兔子、蘑菇、篱笆、手帕等生动的画面让学生感知了“规律”,然后要求学生开展交流。这样,所有学生都经历了探索知识的过程,都从中获得了内心的体验。并且能用自己喜爱的的方式寻找规律。通过教师沟通数学知识与实际情境的联系,培养了学生的理由意识。增强了学生探索知识的兴趣,从而饶有兴趣进入新课学习在中。
        三、 利用动手操作导入,提高学生的实践能力
        新课改理念之一是培养并提高学生的动手实践能力。通过动手操作可以吸引学生的注意力,这样,学生就会积极的参与到有作用的教学活动中来。心理学研究认为,小学生具有活动实践的天性,并且有在实践中创造成功的 。因此。我们要放手让学生动手操作,从而实现数学学习在“做中学,学中做”的要求。但是,这样的导入需要教师精心的组织教学,防止出现导入时学生胡乱操作现象的发生。例如:在学习“毫米、分米的认识”的导入时,就设计几个理由作为学生操作的原则。①看看学具中那些学具的长度是1厘米。动手数一数1厘米可以平均分成几个小格?②在一把直尺中,请指出10厘米的长度。再看看圈尺1米有多长?1米是多少分米组成的?③常见的家中物体中,那些物体长度大约在1米、1分米、1毫米左右?通过这样的动手实践,学生们对所要学习的概念有了初步的感性认识,为后面进入新知识学习奠定了基础。
        四、设计悬念式导入,吸引学生课堂注意力
        设计一个悬念的数学理由导入新课,可以激起学生的好奇心。悬念不仅能使学生的注意力集中,还促使学生探索“悬念”的 。这样的导入方式,新奇、刺激,可以取得理想的导入效果。例如:在教学“三角形具有的特性”时,上课前就布置学生去看看瓦房的屋梁是什么形状的。在新课导入时质疑:屋梁为什么要制成三角形?小学生不知道这是什么理由,从而引起了认知的冲突。他们相互讨论猜测理由。于是教师顺利导入新课:今天,我们就来学习三角形具有什么样的特征。这样的导入,是学生日常生活常见的现象,而且容易引起学生的认知冲突,激发他们的探究 。从而吸引他们的课题注意力。这样,也会让记忆更加深刻。实践证明,运用实物演示、实际操作等都可以造成悬念,激起学生的有意注意,从而取得良好的导入效果。
        五、 设计探索活动导入,激发学生探索热情
        心理学家皮亚杰说:活动是认识的基础,智慧从动作开始。无数教学实践也证明,学生知识与能力的获得需要通过实践来内化。而内化的过程需要学生主动的获取才能完成。因此,我们在教学过程中必须让学生有充足的自主学习的空间。多给学生开展实践的机会。这样,才能发展学生个性,进而培养学生的自主探索精神。例如:在教学“有余数除法”时,就设计操作活动导入新课。让学生用8根小棒摆正方形与三角形。学生在分物与摆图过程中有两种可能:一是刚好分完,也可能在分后还剩一些。这样,就引出了余数这个概念。又如:在教学“平均数”时,也让学生开展分小棒活动。学生们把6根小棒分成两份,于是出现了几种分法:1根和5根,2根与4根,3根与3根。然后,引导学生发现最后一种分法叫做平均分。设计探索活动导入新课,不仅培养了学生的动手实践能力,还让学生感受到活动的快乐。
        总之,小学数学课堂中的导入方式很多。只要能激起学生的学习兴趣,都能优化我们的课题教学。因此,教师要努力专研教材,把我教学的重点与难点制定导入方式。并且根据小学生的心理发展水平与心理特点来设计导入方式,这样,数学课堂导入就会精彩纷呈。
        【作者单位:淮安市清河实验小学 江苏】 全文地址:http://www.abcanuncios.com/yllw/lw50827.html
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