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小学数学与信息技术整合的思考

科技飞速发展的今天,以计算机和网络技术为核心的信息技术在社会各个领域得到广泛应用。在小学数学教学中,适时恰当地应用信息技术,发挥其优势与特长,能提高学生学习数学的兴趣,培养数学能力,发展智力。

多媒体网络技术有它独特的优势。一是可提供多种感官刺激。多重感官同时感知的学习效果要优于单一感官感知的学习效果。这对于知识的获取和保持都非常重要。二是可快速提取大量信息。存储在网络服务器或终端电脑中的语音、图像、文字等信息可通过网络快速提取出来,传输到应用终端。这些优势在数学教学中的作用是显而易见的。

努力创设教学情境,激发学生学习兴趣。应用多媒体教学首先要根据学生的认知水平和年龄特点创设丰富、生动、引人入胜的学习情境。在课的开始就牢牢抓住学生的注意力,激发学习兴趣,激活学生的思维,开启学生智慧的大门,形成互动交往的学习氛围,使学生始终学在其中、乐在其中,真正成为学习的主人。在课堂教学中,恰当地使用多媒体技术,通过设计制作的课件展示所讲知识画面,为他们创设一种很好的学习氛围。

巧妙引导学生动手操作,重视学生学习反馈。运用多媒体教学,要充分考虑培养学生动手操作和解决实际问题的能力。新课程标准也大力提倡自主、合作、探究的学习方式。要使学生乐意并有更多的精力投入到现实的探索性的数学活动中去,一定要为学生创造各种条件和机会,让他们主动探索,进行观察、比较、分析、思考,自己认识事物,发现问题,并解决问题。

如,在教学《百数表》一课时,我设计了能操作的“百数表”多媒体课件。用鼠标点击按钮,可利用颜色的变化突显出横排、竖排、斜排上的数,帮助学生发现排列规律;可提取单数或双数,进行转换格式排列,让学生探究数的特征;还可用鼠标点击数字,显示出相邻的数,引导学生发现数与数之间的联系。这样通过多媒体信息技术可将各种数的排列形式展现出来,充分挖掘出“百数表”蕴涵的奥秘。

在数学教学中应用多媒体信息技术有利于创造愉悦的教学环境,增强教学信息的感染力,激发学生的学习兴趣和求知欲望,充分调动学生的学习积极性和主动性;有利于化抽象为具体,发展学生智力,培养学生的各种能力;有利于开拓学生思路,掌握学习规律,从而大大提高数学教学的效率和质量。

山东省高密市崇实小学 刘树青 (来源: 发展导报)

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