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最新高中数学说课稿10分钟 高中数学说课稿数列求和(十二篇)
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礼貌是社会交往中必不可少的素质,我们需要时刻注意自己的言行举止。写总结时,我们可以结合自己的思考和感悟,形成自己独特的观点和表达方式。想要了解更多关于总结的实例
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。那么我们该如何写一篇较为完美的范文呢?下面是小编为大
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。范文怎么写才能发挥它最大的作用呢?这里我整理了一些优
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。范文怎么写才能发挥它最大的作用呢?以下是我为大家搜集的优质范文,仅供参考,一起来看看吧电力检修个人先进事迹
通过总结,我们能更加有效地利用已有资源。写一个较为完美的总结,需要多次修改和润色,确保语言清晰准确,逻辑流畅。下面是一些总结范文的搜集,以供大家研究和参考。中秋
心得体会是我们对于某一件事或某一阶段经历的深刻感悟和思考。要写一篇完美的心得体会,可以请他人进行审阅和修改,以提高质量。以下是小编为大家搜集整理的心得体会范文,
探索未知领域是一种挑战,但也是发现新知识和拓展视野的机会。写总结时,我们可以通过列举事实、提出问题、反思经验等方式来丰富内容。如果想要更好地掌握这个领域的知识,
在撰写报告时,我们需要收集和整理相关的资料和信息,以支持我们的论点和建议。报告的撰写需要注意篇幅的合理控制,既要充实内容,又要避免冗长繁杂。最后,希望大家能够善
经过深入思考和总结,心得体会会使我们对某一事物有更深刻的理解和把握。在写心得体会时,可以适当运用修辞手法和修辞语言,以提升文章的艺术性。通过阅读这些心得体会,我
体会是指将学习的东西运用到实践中去,通过实践反思学习内容并记录下来的文字,近似于经验总结。优质的心得体会该怎么样去写呢?以下是我帮大家整理的最新心得体会范文大全
计划可以让我们更加有条理地去思考、学习和成长。在制定计划时,要根据目标确定合理的时间范围和截止日期。通过以下范文,我们可以看到不同领域的计划如何被有效地制定和执
阅读可以让我们感受到不同的情感和思想,提高自己的情商。怎样提高自己的学习效率是学生们共同探索的问题,我们可以寻找适合自己的学习方法。在这里汇总了一些写作中常见的
6.总结不仅是对过去的回顾,更是对未来的规划和展望。总结要有一个明确的目标和主题,不能泛泛而谈。以下是一些优秀的总结范文,供大家参考借鉴。交通辅警工作总结500
通过总结,我们可以将零散的信息整理出来,形成有条理、有逻辑的知识体系。总结是一个反思自己,调整方向的过程,需要我们勇于面对和纠正自己的不足之处。运动不仅能够带给
在学习中,总结可以帮助我们发现问题、找到解决的方法。在写总结时要注意精确和准确地使用专业术语和词汇,提高写作的专业性和权威性。总结的同时,我们也要注意自我激励,
历史是我们了解过去、探索未来、珍惜现在的重要途径。总结不仅要总结自身,还要学会关注他人的意见和建议。总结是人们对自己一生经历和成长的概括和反思,那么我们该如何写
总结是一堂课,它教会了我们如何从失败和挫折中吸取教训。写作需要注意语言表达的准确性和逻辑性,避免产生歧义。以下是成功人士总结出的职业发展经验,大家可以借鉴一下。
总结不仅能够发现问题,还能发现事物发展的规律和不足,为下一步的工作做好准备。要写一篇较为完美的总结,首先需要对所总结的内容有一个清晰的认识。以下是一些关于总结写
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我
总结是对过去一定时期的工作、学习或思想情况进行回顾、分析,并做出客观评价的书面材料,它可使零星的、肤浅的、表面的感性认知上升到全面的、系统的、本质的理性认识上来
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。那么我们该如何写一篇较为完美的范文呢?以下是小编为大
方案是从目的、要求、方式、方法、进度等都部署具体、周密,并有很强可操作性的计划。方案的格式和要求是什么样的呢?以下是小编给大家介绍的方案范文的相关内容,希望对大
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我为大家搜集的优质范文,
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。大家想知道怎么样才能写一篇比较优质的范文吗?
我们需要总结过去的经验,以便更好地规划未来的发展。如果我们想写出一篇好的文章,首先要做好充分的准备工作。接下来是一些总结范文的选录,希望对大家写作时有所启发和指
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。相信许多人会觉得范文很难写?以下是我为大家搜集的优质范
总结是在一段时间内对学习和工作生活等表现加以总结和概括的一种书面材料,它可以促使我们思考,我想我们需要写一份总结了吧。总结怎么写才能发挥它最大的作用呢?这里给大
总结是对某一特定时间段内的学习和工作生活等表现情况加以回顾和分析的一种书面材料,它能够使头脑更加清醒,目标更加明确,让我们一起来学习写总结吧。什么样的总结才是有
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。那么我们该如何写一篇较为完美的范文呢?下面我给大家整理了一些优秀范文,希望
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。范文怎么写才能发挥它最大的作用呢?这里我整理了一些优
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?下
从某件事情上得到收获以后,写一篇心得体会,记录下来,这么做可以让我们不断思考不断进步。那么你知道心得体会如何写吗?那么下面我就给大家讲一讲心得体会怎么写才比较好
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。那么我们该如何写一篇较为完美的范文呢?下面我给大家整
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。范文怎么写才能发挥它最大的作用呢?下面是小编为大家收集的优秀范文,供大家参考借鉴,希望可以帮助到有需要的朋
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?这里
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。大家想知道怎么样才能写一篇比较优质的范文吗?以下是小编
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。相信许多人会觉得范文很难写?以下是我为大家搜
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。大家想知道怎么样才能写一篇比较优质的范文吗?接下来小
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。大家想知道怎么样才能写一篇比较优质的范文吗?以下是小
总结是一种反思的过程,通过整理思绪来提升自我。善于总结的人通常注重细节、关注前人的经验,并勇于创新。如果你对写总结有困惑,不妨看看以下范文,或许能给你一些启发。
总结是指对某一阶段的工作、学习或思想中的经验或情况加以总结和概括的书面材料,它可以明确下一步的工作方向,少走弯路,少犯错误,提高工作效益,因此,让我们写一份总结
总结能够帮助我们准确把握所学知识的关键点,形成更加深入的理解。我们要明确总结的目的和范围,避免盲目和随意。通过阅读这些范文,我们可以了解到写总结的一些技巧和要点
“报告”使用范围很广,按照上级部署或工作计划,每完成一项任务,一般都要向上级写报告,反映工作中的基本情况、工作中取得的经验教训、存在的问题以及今后工作设想等,以
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下
报告材料主要是向上级汇报工作,其表达方式以叙述、说明为主,在语言运用上要突出陈述性,把事情交代清楚,充分显示内容的真实和材料的客观。报告的格式和要求是什么样的呢
总结是进步的必备工具之一。在总结的过程中,要注意突出重点,展现自己的亮点和成果。以下是小编为大家整理的阅读技巧,供大家参考学习。小学班主任先进事迹简介篇一这是我
在经济发展迅速的今天,报告不再是罕见的东西,报告中提到的所有信息应该是准确无误的。报告书写有哪些要求呢?我们怎样才能写好一篇报告呢?下面是小编给大家带来的报告的
总结是对过去经历的回顾,也是未来规划的基础。完美的总结应具备简洁明了、准确有力的特点。对于这个问题,以下是一些专家的观点和研究成果,值得我们去参考和借鉴。小学班
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢?这里我
当在某些事情上我们有很深的体会时,就很有必要写一篇心得体会,通过写心得体会,可以帮助我们总结积累经验。好的心得体会对于我们的帮助很大,所以我们要好好写一篇心得体
我们在一些事情上受到启发后,可以通过写心得体会的方式将其记录下来,它可以帮助我们了解自己的这段时间的学习、工作生活状态。那么我们写心得体会要注意的内容有什么呢?
总结是一次探索,它让我们更加深入地了解自己和他人。如何写一篇精彩的文章?这是许多人心中的问题。总结是自我认知和进步的有力工具,以下是一些优秀总结范文,供大家参考
心中有不少心得体会时,不如来好好地做个总结,写一篇心得体会,如此可以一直更新迭代自己的想法。大家想知道怎么样才能写得一篇好的心得体会吗?下面我帮大家找寻并整理了
心得体会是我们在一段时间内对某个经历、事件或学习过程的感悟和思考的总结。通过写心得体会,我们可以加深对所学内容的理解,提升自己的思考能力和分析能力。每次总结都是
通过总结,我们可以更好地发现问题、总结经验、提升能力。5.总结要具有清晰的逻辑思维和正确的表达方式总结范文中的案例和经验可以帮助我们更好地理解和应用总结的方法和
人类的创造力是无限的,艺术作品是人类的智慧结晶和对美的追求。在写总结时,要站在全局的角度思考,不只关注个人的问题。在这里,我们为大家精选了一些总结范文,希望能够
心得体会是我们在完成一项任务或解决一个问题后的思考和总结。3.一篇好的心得体会应该注意结构的合理性和条理性,让读者能够循序渐进地理解你的思路。在下面是我整理的一
心得体会是我们在学习和工作生活等方面的经验总结和感悟,它可以帮助我们提高自身能力,思考问题,以及取得更好的成果。心得体会是一种重要的学习和提升方式,它能够让我们
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下面是小编为大家收集的优
通过撰写报告,我们可以提高我们的逻辑思维、表达能力和组织能力。最后,我们应该对报告进行全面的审校和校对,以确保没有任何拼写、语法和格式上的错误。这些报告范文展示
在繁忙的现代社会中,我们需要学会处理各种复杂的情况。总结时应以事实为依据,以理性的态度进行分析和总结。以下是一些往期总结的范文,供大家参考和借鉴。中学生个人先进
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下面是小编帮大家整理的优质范文,仅供参考,大家一起来看看
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我为大家搜集的优质范文,仅供参考,一起来看看吧几米经典语
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。相信许多人会觉得范文很难写?以下是我为大家搜集的优质
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?下面是小
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?这里我整
报告是指向上级机关汇报本单位、本部门、本地区工作情况、做法、经验以及问题的报告,那么报告应该怎么制定才合适呢?下面我给大家整理了一些优秀的报告范文,希望能够帮助
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?下
文学作品是人类精神世界的镜像,反映了人们对生活、世界的思索与感悟。总结要真实客观,不夸大不夸张。在总结中,我们可以学习到不同行业和领域的经验和教训。李嘉诚经典语
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢?接下来
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?以下
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。相信许多人会觉得范文很难写?下面是小编帮大家整理的优质
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最新高中数学说课稿10分钟 高中数学说课稿数列求和(十二篇)

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最新高中数学说课稿10分钟 高中数学说课稿数列求和(十二篇)
    小编:达利奥利奥

范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?下面是小编为大家收集的优秀范文,供大家参考借鉴,希望可以帮助到有需要的朋友。

高中数学说课稿10分钟 高中数学说课稿数列求和篇一

大家好!

我叫***,来自**。我说课的题目是《古典概型》,内容选自于高中教材新课程人教a版必修3第三章第二节,课时安排为两个课时,本节课内容为第一课时。下面我将从教材分析、教学目标分析、教法与学法分析、教学过程分析四大方面来阐述我对这节课的分析和设计:

1.教材所处的地位和作用

古典概型是一种特殊的数学模型,也是一种最基本的概率模型,在概率论中占有相当重要的地位。它承接着前面学过的随机事件的概率及其性质,又是以后学习条件概率的基础,起到承前启后的作用。

2.教学的重点和难点

重点:理解古典概型及其概率计算公式。

难点:古典概型的判断及把一些实际问题转化成古典概型。

1.知识与技能目标

(1)通过试验理解基本事件的概念和特点

(2)在数学建模的过程中,抽离出古典概型的两个基本特征,推导出古典概型下的概率的计算公式。

2、过程与方法:

经历公式的推导过程,体验由特殊到一般的数学思想方法。"3、情感态度与价值观:

(1)用具有现实意义的实例,激发学生的学习兴趣,培养学生勇于探索,善于发现的创新思想。"(2)让学生掌握"理论来源于实践,并把理论应用于实践"的辨证思想。"1、教法分析:根据本节课的特点,采用引导发现和归纳概括相结合的教学方法,通过提出问题、思考问题、解决问题等教学过程,观察对比、概括归纳古典概型的概念及其概率公式,再通过具体问题的提出和解决,来激发学生的学习兴趣,调动学生的主体能动性,让每一个学生充分地参与到学习活动中来。

2、学法分析:学生在教师创设的问题情景中,通过观察、类比、思考、探究、概括、归纳和动手尝试相结合,体现了学生的主体地位,培养了学生由具体到抽象,由特殊到一般的数学思维能力,形成了实事求是的科学态度。

㈠创设情景、引入新课

在课前,教师布置任务,以小组为单位,完成下面两个模拟试验:

试验一:抛掷一枚质地均匀的硬币,分别记录"正面朝上"和"反面朝上"的次数,要求每个数学小组至少完成20次(最好是整十数),最后由代表汇总;

试验二:抛掷一枚质地均匀的骰子,分别记录"1点"、"2点"、"3点"、"4点"、"5点"和"6点"的次数,要求每个数学小组至少完成60次(最好是整十数),最后由代表汇总。

在课上,学生展示模拟试验的操作方法和试验结果,并与同学交流活动感受,教师最后汇总方法、结果和感受,并提出两个问题。

1.用模拟试验的方法来求某一随机事件的概率好不好?为什么?

不好,要求出某一随机事件的概率,需要进行大量的试验,并且求出来的结果是频率,而不是概率。

2.根据以前的学习,上述两个模拟试验的每个结果之间都有什么特点?]

「设计意图」通过课前的模拟实验,让学生感受与他人合作的重要性,培养学生运用数学语言的能力。随着新问题的提出,激发了学生的求知欲望,通过观察对比,培养了学生发现问题的能力。

㈡思考交流、形成概念

学生观察对比得出两个模拟试验的相同点和不同点,教师给出基本事件的概念,并对相关特点加以说明,加深对新概念的理解。

[基本事件有如下的两个特点:

(1)任何两个基本事件是互斥的;

(2)任何事件(除不可能事件)都可以表示成基本事件的和.]

「设计意图」让学生从问题的相同点和不同点中找出研究对象的对立统一面,这能培养学生分析问题的能力,同时也教会学生运用对立统一的辩证唯物主义观点来分析问题的一种方法。教师的注解可以使学生更好的把握问题的关键。

例1从字母a、b、c、d中任意取出两个不同字母的试验中,有哪些基本事件?

先让学生尝试着列出所有的基本事件,教师再讲解用树状图列举问题的优点。

「设计意图」将数形结合和分类讨论的思想渗透到具体问题中来。由于没有学习排列组合,因此用列举法列举基本事件的个数,不仅能让学生直观的感受到对象的总数,而且还能使学生在列举的时候作到不重不漏。解决了求古典概型中基本事件总数这一难点"观察对比,发现两个模拟试验和例1的共同特点:

让学生先观察对比,找出两个模拟试验和例1的共同特点,再概括总结得到的结论,教师最后补充说明。"[经概括总结后得到:"(1)试验中所有可能出现的基本事件只有有限个;(有限性)

(2)每个基本事件出现的可能性相等。(等可能性)

我们将具有这两个特点的概率模型称为古典概率概型,简称古典概型。

「设计意图」培养运用从具体到抽象、从特殊到一般的辩证唯物主义观点分析问题的能力,充分体现了数学的化归思想。启发诱导的同时,训练了学生观察和概括归纳的能力。通过列出相同和不同点,能让学生很好的理解古典概型。"㈢观察分析、推导方程

问题思考:在古典概型下,基本事件出现的概率是多少?随机事件出现的概率如何计算?

教师提出问题,引导学生类比分析两个模拟试验和例1的概率,先通过用概率加法公式求出随机事件的概率,再对比概率结果,发现其中的联系,最后概括总结得出古典概型计算任何事件的概率计算公式:"「设计意图」鼓励学生运用观察类比和从具体到抽象、从特殊到一般的辩证唯物主义方法来分析问题,同时让学生感受数学化归思想的优越性和这一做法的合理性,突出了古典概型的概率计算公式这一重点。"提问:

(1)在例1的实验中,出现字母"d"的概率是多少?

(2)在使用古典概型的概率公式时,应该注意什么?

「设计意图」教师提问,学生回答,深化对古典概型的概率计算公式的理解,也抓住了解决古典概型的概率计算的关键。

㈣例题分析、推广应用

例2单选题是标准化考试中常用的题型,一般是从a,b,c,d四个选项中选择一个正确答案。如果考生掌握了考差的内容,他可以选择唯一正确的答案。假设考生不会做,他随机的选择一个答案,问他答对的概率是多少?

学生先思考再回答,教师对学生没有注意到的关键点加以说明。

「设计意图」让学生明确决概率的计算问题的关键是:先要判断该概率模型是不是古典概型,再要找出随机事件a包含的基本事件的个数和试验中基本事件的总数。巩固学生对已学知识的掌握。

例3同时掷两个骰子,计算:

(1)一共有多少种不同的结果?

(2)其中向上的点数之和是5的结果有多少种?

(3)向上的点数之和是5的概率是多少?

先给出问题,再让学生完成,然后引导学生分析问题,发现解答中存在的问题。引导学生用列表来列举试验中的基本事件的总数。

「设计意图」利用列表数形结合和分类讨论,既能形象直观地列出基本事件的总数,又能做到列举的不重不漏。深化巩固对古典概型及其概率计算公式的理解。培养学生运用数形结合的思想,提高发现问题、分析问题、解决问题的能力,增强学生数学思维情趣,形成学习数学知识的积极态度。"㈤探究思想、巩固深化"问题思考:为什么要把两个骰子标上记号?如果不标记号会出现什么情况?你能解释其中的原因吗?

要求学生观察对比两种结果,找出问题产生的原因。

「设计意图」通过观察对比,发现两种结果不同的根本原因是--研究的问题是否满足古典概型,从而再次突出了古典概型这一教学重点,体现了学生的主体地位,逐渐养成自主探究能力。

总结概括、加深理解"1.基本事件的特点

2.古典概型的特点

3.古典概型的概率计算公式

学生小结归纳,不足的地方老师补充说明。"「设计意图」使学生对本节课的知识有一个系统全面的认识,并把学过的相关知识有机地串联起来,便于记忆和应用,也进一步升华了这节课所要表达的本质思想,让学生的认知更上一层。"㈦布置作业

课本练习1、2、3

「设计意图」进一步让学生掌握古典概型及其概率公式,并能够学以致用,加深对本节课的理解。

高中数学说课稿10分钟 高中数学说课稿数列求和篇二

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高中数学说课稿10分钟 高中数学说课稿数列求和篇三

1· 教材的地位和作用

在学习这节课以前,我们已经学习了振幅变换。本节知识是学习函数图象变换综合应用的基础,在教材地位上显得十分重要。

y=asin(ωx+φ)图象变换的学习有助于学生进一步理解正弦函数的图象和性质,加深学生对函数图象变换的理解和认识,加深数形结合在数学学习中的应用的认识。同时为相关学科的学习打下扎实的基础。

⒉教材的重点和难点

重点是对周期变换、相位变换规律的理解和应用。

难点是对周期变换、相位变换先后顺序的调整,对图象变换的影响。

⒊教材内容的安排和处理

函数y=asin(ωx+φ)图象这部分内容计划用3课时,本节是第2课时,主要学习周期变换和相位变换,以及两种变换的综合应用。

⒈知识目标

掌握相位变换、周期变换的变换规律。

⒉能力目标

培养学生的观察能力、动手能力、归纳能力、分析问题解决问题能力。

⒊德育目标

在教学中努力培养学生的“由简单到复杂、由特殊到一般”的辩证思想,培养学生的探究能力和协作学习的能力。

⒋情感目标

通过学数学,用数学,进而培养学生对数学的兴趣。

①本课安排在电脑室教学,每个学生都拥有一台计算机,所有的计算机由一套多媒体演示控制系统连接,以实现师生、生生的相互沟通。

②课前应先把本课所需要的几何画板课件通过多媒体演示系统发送到每一台学生电脑。

本节课以“探究——归纳——应用”为主线,通过设置问题情境,引导学生自主探究,总结规律,并能应用规律分析问题、解决问题。

以学生的自主探究为主要方式,把计算机使用的主动权交给学生,让学生主动去学习新知、探究未知,在活动中学习数学、掌握数学,并能数学地提出问题、解决问题。

教学过程设计:

预备知识

一、问题探究

⑴师生合作探究周期变换

⑵学生自主探究相位变换

二、归纳概括

三、实践应用

教学程序

设计说明

〖预备知识

1我们已经学习了几种图象变换?

2这些变换的规律是什么?

帮助学生巩固、理解和归纳基础知识,为后面的学习作铺垫。促使学生学会对知识的归纳梳理。

〖问题探究

(一)师生合作探究周期变换

(1)自己动手,在几何画板中分别观察①y=sinx→y=sin2x;②y=sinx→y=sin

x图象的变换过程,指出变换过程中图象上每一个点的坐标发生了什么变化。

(2) 在上述变换过程中,横坐标的伸长和缩短与ω之间存在怎样的关系?

(二)学生自主探究相位变换

(1)我们初中学过的由y=f(x)→y=f(x+a)的图象变换规律是怎样的?

(2) 令f(x)=sinx,则f(x+φ)=sin (x+φ),那么y=sinx→y=sin (x+φ)的变换是不是也符合上述规律呢?请动手用几何画板加以验证。

设计这个问题的`主要用意是让学生通过观察图象变换的过程,了解周期变换的基本规律。

设计这个问题意图是引导学生再次认真观察图象变换的过程,以便总结周期变换的规律。

师生合作探究已经让学生掌握了探究图象变换的基本方法,在此基础上,由学生自主探究相位变换规律,提高学生的综合能力。

〖归纳概括

通过以上探究,你能否总结出周期变换和相位变换的一般规律?

设计这个环节的意图是通过对上述变换过程的探究,进而引导学生归纳概括,从现象到本质,总结出周期变换和相位变换的一般规律。

〖实践应用

(一)应用举例

(1)用五点法作出y=sin(2x+)一个周期内的简图。

(2)我们可以通过哪些方法完成y=sinx到y=sin(2x+)的图象变换

(3)请动手验证上述方法,把几何画板所得图象与用五点法作出的简图作比较,观察哪些方法是正确的,哪些方法是错误的。

(4)归纳总结

从上述的变换过程中,我们知道若f(x) =sin2x,则f(___)= sin(2x+),由f(x)→f(x+a)的变换规律得从y=sin2x →y= sin(2x+)的变换应该是_____.

(二)分层训练

a组题(基础题)

如何完成下列图象的变换:

①y=sin3x→y=sin(3x+1)

②y=sin(x+1) →y=sin(3x+1)

b组题(中等题)

如何完成下列图象的变换:

①y=sin3x→y=sin(3x+1)

②y=sin(x+1) →y=sin(3x+1)

③y=sinx →y=sin(3x+1)

c组题(拓展题)

①如何完成下列图象的变换:

y=sinx →y=sin(3x+1)

②我们知道,从f(x)到f(x)+k的变换可通过图象的上下平移(k>0上移)(k<0下移)|k|个单位得到。那么由y=f(x)→y=af(x)+k的变换中,振幅变换和上下平移变换是不是也有先后顺序呢?请通过实例加以验证。

让学生用五点法作出这个图象是为了验证变换方法是否正确。

给出这个问题的用意是开拓学生的思维,让学生从多角度思考问题。

这个步骤主要目的是培养学生的探究能力和动手能力。

这个问题的解决,是突破本课难点的关键。通过问题的解决,让学生理解如果先进行周期变换,而后进行相位变换,应特别关注x的变化量。

a组题重在基础知识的掌握,

由基础较薄弱的同学完成。

b组比a组增加了第③小题,

重在对两种变换的综合应用。

c组除了考查知识的综合应用,

还要求学生对新问题进行探究,

有较大难度,适合基础较好的

同学完成。

作业:

(1)必做题

(2)选做题

作业分为两种形式,体现作业的巩固性和发展性原则。选做题不作统一要求,供学有余力的学生课后研究。

在本节的教与学活动中,始终体现以学生的发展为本的教育理念。在学生已有的认知基础上进行设问和引导,关注学生的认知过程,注意学生的品德、思维和心理等方面的发展。重视动手能力的培养,重视问题探究意识和能力的培养。同时,考虑不同学生的个性差异和发展层次,使不同的学生得到不同的发展,体现因材施教原则。

调节与反馈:

⑴验证两种变换的综合时,可能会出现有些学生无法观察到两种变换的区别这种情况,此时,教师除了加以引导外,还需通过教师演示和详细讲解加以解决。

⑵教学中可能出现个别学生无法正确操作课件的情况,这种情况下一定要强调学生的协作意识。

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高中数学说课稿10分钟 高中数学说课稿数列求和篇五

数学:人教a版必修3第二章第三节《变量之间的相关关系》说课稿各位老师:

大家好!我叫***,来自**。我说课的题目是《变量之间的相关关系》,内容选自于高中教材新课程人教a版必修3第二章第三节,课时安排为三个课时,本节课内容为第一课时。下面我将从教材分析、教学目标分析、教学方法与手段分析、教学过程分析四大方面来阐述我对这节课的分析和设计:

一、教材分析

1.教材所处的地位和作用

本章我们所要学习的主要内容就是统计,在前面的章节中我们已经对统计的相关知识作了大致的了解。本节课我们要继续探讨的是变量之间的相关关系,它为接下来要学习的两个变量的线性相关打下基础。这是一个与现实实际生活联系很紧密的知识,在教师的引导下,可使学生认识到在现实世界中存在不能用函数模型描述的变量关系,从而体会研究变量之间的相关关系的重要性.

2.教学的重点和难点

重点:①通过收集现实问题中两个有关联变量的数据直观认识变量间的相关关系;

②利用散点图直观认识两个变量之间的线性关系;

难点:①变量之间相关关系的理解;②作散点图和理解两个变量的正相关和负相关

二、教学目标分析

1.知识与技能目标

通过收集现实问题中两个有关联变量的数据认识变量间的相关关系

2、过程与方法目标:

明确事物间的相互联系.认识现实生活中变量间除了存在确定的关系外,仍存在大量的非确定性的相关关系,并利用散点图直观体会这种相关关系.

3、情感态度与价值观目标:

通过对事物之间相关关系的了解,让学生们认识到现实中任何事物都是相互联系的辩证法思想。

三、教学方法与手段分析

1.教学方法:结合本节课的教学内容和学生的认知水平,在教法上,我采用“问答探究”式的教学方法,层层深入。充分发挥教师的主导作用,让学生真正成为教学活动的主体。

2。教学手段:通过多媒体辅助教学,充分调动学生参与课堂教学的主动性与积极性。

四、教学过程分析

㈠问题引出:

请同学们如实填写下表(在空格中打“√”)

然后回答如下问题:①“你的数学成绩对你的物理成绩有无影响?”②“如果你的数学成绩好,那么你的物理成绩也不会太差,如果你的数学成绩差,那么你的物理成绩也不会太好。”对你来说,是这样吗?同意这种说法的同学请举手。

根据同学们回答的结果,让学生讨论:我们可以发现自己的数学成绩和物理成绩存在某种关系。(似乎就是数学好的,物理也好;数学差的,物理也差,但又不全对。)教师总结如下:

物理成绩和数学成绩是两个变量,从经验看,由于物理学习要用到比较多的数学知识和数学方法。数学成绩的高低对物理成绩的高低是有一定影响的。但决非唯一因素,还

有其它因素,如图所示(幻灯片给出):

因此,不能通过一个人的数学成绩是多少就准确地断定他的物理成绩能达到多少。但这两个变量是有一定关系的,它们之间是一种不确定性的关系。如何通过数学成绩的结果对物理成绩进行合理估计有非常重要的现实意义。

「设计意图」通过对身边事例的分析,引出我们今天将要学习的主要内容,由此可以激起学

生们的学习兴趣,为接下来的学习打下良好的基础。

㈡探究新知

⒈概念形成

教师提问:“像刚才这种情况在现实生活中是否还有?”学生们思考之后,请几位同学就提出的问题作出回答。老师就举出的例子,引导学生作出分析,然后由老师总结得出相关关系的概念。[两个变量之间的关系可能是确定的关系(如:函数关系),或非确定性关系。当自变量取值一定时,因变量也确定,则为确定关系;当自变量取值一定时,因变量带有随机性,这种变量之间的关系称为相关关系。相关关系是一种非确定性关系。]

「设计意图」从现实生活入手,抓住学生们的注意力,引导学生分析得出概念,让学生真正参与到概念的形成过程中来。

⒉探究线性相关关系和其他相关关系

「课件展示」

例1在一次对人体脂肪和年龄关系的研究中,研究人员获得了一组样本数据:

问题:针对于上述数据所提供的信息,你认为人体的脂肪含量与年龄之间有怎样的关系?

[教师特别向学生强调在研究两个变量之间是否存在某种关系时,必须从散点图入手(向学生介绍什么是散点图)。并且引导学生从散点图上可以得出如下规律:(幻灯片给出)

①如果所有的样本点都落在某一函数曲线上,那么变量之间具有函数关系(确定性关系);②如果所有的样本点都落在某一函数曲线的附近,那么变量之间具有相关关系(不确定性关系);③如果所有的样本点都落在某一直线附近,那么变量之间具有线性相关关系(不确定性关系)。

「设计意图」通过对这个典型事例的分析,向学生们介绍什么是散点图,并总结出如何从散点图上判断变量之间关系的规律。

下面我们用ti图形计算器作出这两个变量的散点图。

学生实验:先把数据中成对出现的两个数分别作为横坐标、纵坐标,把数据输入到表格当中(第一列横坐标、第二列纵坐标);然后,用ti图形计算器作散点图:

[引导学生观察作出的散点图,体会现实生活中两个变量之间的关系存在着不确定性。散点图中的散点并不在一条直线上,只是分布在一条直线的周围,即为线性相关关系。]

「设计意图」通过实验让学生们感受散点图的主要形成过程,并由此引出线性相关关系。为后面回归直线和回归直线方程的学习做好铺垫。

「课件展示」四组数据,请学生作出散点图,并观察每组数据的特点。

根据四组数据,学生作出四个散点图。

通过学生讨论、交流、用ti图形计算器展示、对比自己作出的散点图,我们引出线性相关关系,正负相关关系的概念。

「设计意图」及时巩固知识,学生通过亲自动手作散点图,并交流讨论,进一步加深对散点图的理解,并由此引出正负相关关系的概念,突破难点。

㈢例题讲解,深化认识

「课件展示」

例2一般说来,一个人的身高越高,他的人就越大,相应地,他的右手一拃长就越长,因此,人的身高与右手一拃长之间存在着一定的关系。为了对这个问题进行调查,我们收集了北京市某中学20xx年高三年级96名学生的身高与右手一拃长的数据如下表。

(1)根据上表中的数据,制成散点图。你能从散点图中发现身高与右手一拃长之间的近似关系吗?

(2)如果近似成线性关系,请画出一条直线来近似地表示这种线性关系。

(3)如果一个学生的身高是188cm,你能估计他的一拃大概有多长吗?

「设计意图」这个例子很容易激起学生们的学习兴趣,由此可达到更好的教学效果。通过对这道题的解答,使对前面知识的认识更加牢固。

㈣反思小结、培养能力

⑴变量间相关关系、线性关系和正负相关关系

⑵如何做散点图

「设计意图」小节是一堂课的概括和总结,有利于优化学生的认知结构,把课堂教学传授的知识较快转化为学生的素质,也更进一步培养学生的归纳概括能力

㈤课后作业,自主学习

习题2.31、2

[设计意图]课后作业的布置是为了检验学生对本节课内容的理解和运用程度,并促使学生进一步巩固和掌握所学内容。

高中数学说课稿10分钟 高中数学说课稿数列求和篇六

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高中数学说课稿10分钟 高中数学说课稿数列求和篇七

开始:各位专家领导, 好!

今天我将要为大家讲的课题是

首先,我对本节教材进行一些分析

本节内容在全书及章节的地位:《 》是高中数学新教材第 册( )第 章第 节。在此之前,学生已学习了

,这为过渡到本节的学习起着铺垫作用。本节内容是 部分,因此,在 中,占据 的地位。

数学思想方法分析:作为一名数学老师,不仅要传授给学生数学知识,更重要的是传授给学生数学思想、数学意识,因此本节课在教学中力图向学生:

根据上述教材结构与内容分析,考虑到学生已有的认知结构心理特征,制定如下教学目标:

1 基础知识目标:

2 能力训练目标:

3 创新素质目标:

4 个性品质目标:

本着课程标准,在吃透教材基础上,我确立了如下的教学重点、难点

重点: 通过 突出重点

难点: 通过 突破难点

关键:

下面,为了讲清重点、难点,使学生能达到本节设定的教学目标,我再从教法和学法上谈谈:

数学是一门培养人的思维,发展人的思维的重要学科,因此,在教学中,不仅要使学生

“知其然”而且要使学生“知其所以然”,

我们在以师生既为主体,又为客体的原则下,展现获取知识和方法的思维过程。基于本节课的特点:

,应着重采用 的教学方法。即:

我们常说:“现代的文盲不是不识字的人,而是没有掌握学习方法的人”,因而在教学中要特别重视学法的指导。

1、理论:

2、实践:

3、能力:

最后我来具体谈一谈这一堂课的教学过程:

1、由 引入:

把教学内容转化为具有潜在意义的问题,让学生产生强烈的问题意识,使学生的整个学习过程成为“猜想”,继而紧张地沉思,期待寻找理由和证明过程。

在实际情况下进行学习,可以使学生利用已有知识与经验,同化和索引出当前学习的新知识,这样获取的知识,不但易于保持,而且易于迁移到陌生的问题情境中。

对于本题:

2、由实例得出本课新的知识点是:

3、讲解例题。

我们在讲解例题时,不仅在于怎样解,更在于为什么这样解,而及时对解题方法和规律进行概括,有利于发展学生的思维能力。在题中:

4、能力训练。

课后练习

使学生能巩固羡慕自觉运用所学知识与解题思想方法。

5、总结结论,强化认识。

知识性内容的小结,可把课堂教学传授的知识尽快化为学生的素质;数学思想方法的小结,可使学生更深刻地理解数学思想方法在解题中的地位和应用,并且逐渐培养学生的良好的个性品质目标。

6、变式延伸,进行重构。

重视课本例题,适当对题目进行引申,使例题的作用更加突出,有利于学生对知识的串联、累积、加工,从而达到举一反三的效果。

7、板书。

8、布置作业。

针对学生素质的差异进行分层训练,既使学生掌握基础知识,又使学有佘力的学生有所提高,从而达到拔尖和“减负”的目的。

结束:说课是教师面对同行和其它听众口头讲述具体课题的教学设想及其根据的新的教学研究形式。以上,我仅从说教材,说学情,说教法,说学法,说教学程序上说明了“教什么”和“怎么教”,阐明了“为什么这样教”。说课对我们大家仍是新事物,今后我也将进一步说好课,并希望各位专家领导对本堂说课提出宝贵意见。

注意时间掌握

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高中数学说课稿10分钟 高中数学说课稿数列求和篇八

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高中数学说课稿10分钟 高中数学说课稿数列求和篇十

1.教材结构分析

《圆的方程》安排在高中数学第二册(上)第七章第六节.圆作为常见的简单几何图形,在实际生活和生产实践中有着广泛的应用.圆的方程属于解析几何学的基础知识,是研究二次曲线的开始,对后续直线与圆的位置关系、圆锥曲线等内容的学习,无论在知识上还是方法上都有着积极的意义,所以本节内容在整个解析几何中起着承前启后的作用.

2.学情分析

圆的方程是学生在初中学习了圆的概念和基本性质后,又掌握了求曲线方程的一般方法的基础上进行研究的.但由于学生学习解析几何的时间还不长、学习程度较浅,且对坐标法的运用还不够熟练,在学习过程中难免会出现困难.另外学生在探究问题的能力,合作交流的意识等方面有待加强.

根据上述教材结构与内容分析,考虑到学生已有的认知结构和心理特征,我制定如下教学目标:

3.教学目标

(1) 知识目标:①掌握圆的标准方程;

②会由圆的标准方程写出圆的半径和圆心坐标,能根据条件写出圆的标准方程;

③利用圆的标准方程解决简单的实际问题.

(2) 能力目标:①进一步培养学生用代数方法研究几何问题的能力;

②加深对数形结合思想的理解和加强对待定系数法的运用;

③增强学生用数学的意识.

(3) 情感目标:①培养学生主动探究知识、合作交流的意识;

②在体验数学美的过程中激发学生的学习兴趣.

根据以上对教材、教学目标及学情的分析,我确定如下的教学重点和难点:

4. 教学重点与难点

(1)重点:圆的标准方程的求法及其应用.

(2)难点: ①会根据不同的已知条件求圆的标准方程;

②选择恰当的坐标系解决与圆有关的实际问题.

为使学生能达到本节设定的教学目标,我再从教法和学法上进行分析:

好学教育:

1.教法分析 为了充分调动学生学习的积极性,本节课采用“启发式”问题教学法,用环环相扣的问题将探究活动层层深入,使教师总是站在学生思维的最近发展区上.另外我恰当的利用多媒体课件进行辅助教学,借助信息技术创设实际问题的情境既能激发学生的学习兴趣,又直观的引导了学生建模的过程.

2.学法分析 通过推导圆的标准方程,加深对用坐标法求轨迹方程的理解.通过求圆的标准方程,理解必须具备三个独立的条件才可以确定一个圆.通过应用圆的标准方程,熟悉用待定系数法求的过程. 下面我就对具体的教学过程和设计加以说明:

整个教学过程是由七个问题组成的问题链驱动的,共分为五个环节:

创设情境 启迪思维 深入探究 获得新知 应用举例 巩固提高

反馈训练 形成方法 小结反思 拓展引申

下面我从纵横两方面叙述我的教学程序与设计意图.

首先:纵向叙述教学过程

(一)创设情境——启迪思维

问题一 已知隧道的截面是半径为4m的半圆,车辆只能在道路中心线一侧行驶,一辆宽为2.7m,高为3m的货车能不能驶入这个隧道?

通过对这个实际问题的探究,把学生的思维由用勾股定理求线段cd的长度转移为用曲线的方程来解决.一方面帮助学生回顾了旧知——求轨迹方程的一般方法,另一方面,在得到汽车不能通过的结论的同时学生自己推导出了圆心在原点,半径为4的圆的标准方程,从而很自然的进入了本课的主题.用实际问题创设问题情境,让学生感受到问题来源于实际,应用于实际,激发了学生的学习兴趣和学习欲望.这样获取的知识,不但易于保持,而且易于迁移.

通过对问题一的探究,抓住了学生的注意力,把学生的思维引到用坐标法研究圆的方程上来,此时再把问题深入,进入第二环节.

(二)深入探究——获得新知

问题二 1.根据问题一的探究能不能得到圆心在原点,半径为的圆的方程?

2.如果圆心在,半径为时又如何呢?

好学教育:

这一环节我首先让学生对问题一进行归纳,得到圆心在原点,半径为4的圆的标准方程后,引导学生归纳出圆心在原点,半径为r的圆的标准方程.然后再让学生对圆心不在原点的情况进行探究.我预设了三种方法等待着学生的探究结果,分别是:坐标法、图形变换法、向量平移法.

得到圆的标准方程后,我设计了由浅入深的三个应用平台,进入第三环节.

(三)应用举例——巩固提高

i.直接应用 内化新知

问题三 1.写出下列各圆的标准方程:

(1)圆心在原点,半径为3;

(2)经过点,圆心在点.

2.写出圆的圆心坐标和半径.

我设计了两个小问题,第一题是直接或间接的给出圆心坐标和半径求圆的标准方程,第二题是给出圆的标准方程求圆心坐标和半径,这两题比较简单,可以安排学生口答完成,目的是先让学生熟练掌握圆心坐标、半径与圆的标准方程之间的关系,为后面探究圆的切线问题作准备.

ii.灵活应用 提升能力

问题四 1.求以点为圆心,并且和直线相切的圆的方程.

2.求过点,圆心在直线上且与轴相切的圆的方程.

3.已知圆的方程为,求过圆上一点的切线方程.

你能归纳出具有一般性的结论吗?

已知圆的方程是,经过圆上一点的切线的方程是什么?

我设计了三个小问题,第一个小题有了刚刚解决问题三的基础,学生会很快求出半径,根据圆心坐标写出圆的标准方程.第二个小题有些困难,需要引导学生应用待定系数法确定圆心坐标和半径再求解,从而理解必须具备三个独立的条件才可以确定一个圆.第三个小题解决方法较多,我预设了四种方法再一次为学生的发散思维创设了空间.最后我让学生由第三小题的结论进行归纳、猜想,在论证经过圆上一点圆的切线方程的过程中,又一次模拟了真理发现的过程,使探究气氛达到高潮.

iii.实际应用 回归自然

问题五 如图是某圆拱桥的一孔圆拱的示意图,该圆拱跨度ab=20m,拱高op=4m,在建造时每隔4m需用一个支柱支撑,求支柱的长度(精确到0.01m).

好学教育:

我选用了教材的例3,它是待定系数法求出圆的三个参数的又一次应用,同时也与引例相呼应,使学生形成解决实际问题的一般方法,培养了学生建模的习惯和用数学的意识.

(四)反馈训练——形成方法

问题六 1.求过原点和点,且圆心在直线上的圆的标准方程.

2.求圆过点的切线方程.

3.求圆过点的切线方程.

接下来是第四环节——反馈训练.这一环节中,我设计三个小题作为巩固性训练,给学生一块“用武”之地,让每一位同学体验学习数学的乐趣,成功的喜悦,找到自信,增强学习数学的愿望与信心.另外第3题是我特意安排的一道求过圆外一点的圆的切线方程,由于学生刚刚归纳了过圆上一点圆的切线方程,因此很容易产生思维的负迁移,另外这道题目有两解,学生容易漏掉斜率不存在的情况,这时引导学生用数形结合的思想,结合初中已有的圆的知识进行判断,这样的设计对培养学生思维的严谨性具有良好的效果.

(五)小结反思——拓展引申

1.课堂小结

把圆的标准方程与过圆上一点圆的切线方程加以小结,提炼数形结合的思想和待定系数的方法 ①圆心为,半径为r 的圆的标准方程为:

圆心在原点时,半径为r 的圆的标准方程为:.

②已知圆的方程是,经过圆上一点的切线的方程是:.

2.分层作业

(a)巩固型作业:教材p81-82:(习题7.6)1,2,4.(b)思维拓展型作业:试推导过圆上一点的切线方程.

3.激发新疑

问题七 1.把圆的标准方程展开后是什么形式?

2.方程表示什么图形?

在本课的结尾设计这两个问题,作为对这节课内容的巩固与延伸,让学生体会知识的起点与终点都蕴涵着问题,旧的问题解决了,新的问题又产生了.在知识的拓展中再次掀起学生探究的热情.另外它为下节课研究圆的一般方程作了重要的准备.

以上是我纵向的教学过程及简单的设计意图,接下来,我从三个方面横向的进一步阐述我的教学设计: 横向阐述教学设计

(一)突出重点 抓住关键 突破难点

好学教育:

求圆的标准方程既是本节课的教学重点也是难点,为此我布设了由浅入深的学习环境,先让学生熟悉圆心、半径与圆的标准方程之间的关系,逐步理解三个参数的重要性,自然形成待定系数法的解题思路,在突出重点的同时突破了难点.

第二个教学难点就是解决实际应用问题,这是学生固有的难题,主要是因为应用问题的题目冗长,学生很难根据问题情境构建数学模型,缺乏解决实际问题的信心,为此我首先用一道题目简洁、贴近生活的实例进行引入,激发学生的求知欲,同时我借助多媒体课件的演示,引导学生真正走入问题的情境之中,并从中抽象出数学模型,从而消除畏难情绪,增强了信心.最后再形成应用圆的标准方程解决实际问题的一般模式,并尝试应用该模式分析和解决第二个应用问题——问题五.这样的设计,使学生在解决问题的同时,形成了方法,难点自然突破.

(二)学生主体 教师主导 探究主线

本节课的设计用问题做链,环环相扣,使学生的探究活动贯穿始终.从圆的标准方程的推导到应用都是在问题的指引、我的指导下,由学生探究完成的.另外,我重点设计了两次思维发散点,分别是问题二和问题四的第三问,要求学生分组讨论,合作交流,为学生设立充分的探究空间,学生在交流成果的过程中,既体验了科学研究和真理发现的复杂与艰辛,又在我的适度引导、侧面帮助、不断肯定下顺利完成了探究活动并走向成功,在一个个问题的驱动下,高效的完成本节的学习任务.

(三)培养思维 提升能力 激励创新

为了培养学生的理性思维,我分别在问题一和问题四中,设计了两次由特殊到一般的学习思路,培养学生的归纳概括能力.在问题的设计中,我利用一题多解的探究,纵向挖掘知识深度,横向加强知识间的联系,培养了学生的创新精神,并且使学生的有效思维量加大,随时对所学知识和方法产生有意注意,使能力与知识的形成相伴而行.

以上是我对这节课的教学预设,具体的教学过程还要根据学生在课堂中的具体情况适当调整,向生成性课堂进行转变.最后我以赫尔巴特的一句名言结束我的说课,发挥我们的创造性,力争“使教育过程成为一种艺术的事业”.

高中数学说课稿10分钟 高中数学说课稿数列求和篇十一

各位评委老师好:今天我说课的题目是

是必修章第节的内容,我将以新课程标准的理念指导本节课的教学,从教材分析,教法学法,教学过程,教学评价四个方面加以说明。

是在学习了基础上进一步研究 并为后面学习 做准备,在整个高中数学中起着承上启下的作用,因此本节内容十分重要。

根据新课标要求和学生实际水平我制定以下教学目标

1、 知识能力目标:使学生理解掌握

2、 过程方法目标:通过观察归纳抽象概括使学生构建领悟 数学思想,培养 能力

3、 情感态度价值观目标:通过学习体验数学的科学价值和应用价值,培养善于

观察勇于思考的学习习惯和严谨 的科学态度

根据教学目标、本节特点和学生实际情况本节重点是 ,由于学生对 缺少感性认识,所以本节课的重点是

根据教师主导地位和学生主体地位相统一的规律,我采用引导发现法为本节课的主要教学方法并借助多媒体为辅助手段。在教师点拨下,学生自主探索、合作交流来寻求解决问题的方法。

1、由……引入:

把教学内容转化为具有潜在意义的问题,让学生产生强烈的问题意识,使学生的整个学习过程成为“猜想”,继而紧张地沉思,期待寻找理由和证明过程。 在实际情况下进行学习,可以使学生利用已有知识与经验,同化和索引出当前学习的新知识,这样获取的知识,不但易于保持,而且易于迁移到陌生的问题情境中。

对于本题:……

2、由实例得出本课新的知识点是:……

3、讲解例题。

我们在讲解例题时,不仅在于怎样解,更在于为什么这样解,而及时对解题方法和规律进行概括,有利于发展学生的思维能力。在题中:

4、能力训练。

课后练习……

使学生能巩固羡慕自觉运用所学知识与解题思想方法。

5、总结结论,强化认识。

知识性内容的小结,可把课堂教学传授的知识尽快化为学生的素质;数学思想方法的小结,可使学生更深刻地理解数学思想方法在解题中的地位和应用,并且逐渐培养学生的良好的个性品质目标。

6、变式延伸,进行重构。

重视课本例题,适当对题目进行引申,使例题的作用更加突出,有利于学生对知识的串联、累积、加工,从而达到举一反三的效果。

学生学习的学习结果评价当然重要,但是更重要的是学生学习的过程评价,教师应当高度重视学生学习过程中的参与度、自信心、团队精神合作意识数学能力的发现,以及学习的兴趣和成就感。

高中数学说课稿10分钟 高中数学说课稿数列求和篇十二

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在撰写报告时,我们需要收集和整理相关的资料和信息,以支持我们的论点和建议。报告的撰写需要注意篇幅的合理控制,既要充实内容,又要避免冗长繁杂。最后,希望大家能够善
经过深入思考和总结,心得体会会使我们对某一事物有更深刻的理解和把握。在写心得体会时,可以适当运用修辞手法和修辞语言,以提升文章的艺术性。通过阅读这些心得体会,我
体会是指将学习的东西运用到实践中去,通过实践反思学习内容并记录下来的文字,近似于经验总结。优质的心得体会该怎么样去写呢?以下是我帮大家整理的最新心得体会范文大全
计划可以让我们更加有条理地去思考、学习和成长。在制定计划时,要根据目标确定合理的时间范围和截止日期。通过以下范文,我们可以看到不同领域的计划如何被有效地制定和执
阅读可以让我们感受到不同的情感和思想,提高自己的情商。怎样提高自己的学习效率是学生们共同探索的问题,我们可以寻找适合自己的学习方法。在这里汇总了一些写作中常见的
6.总结不仅是对过去的回顾,更是对未来的规划和展望。总结要有一个明确的目标和主题,不能泛泛而谈。以下是一些优秀的总结范文,供大家参考借鉴。交通辅警工作总结500
通过总结,我们可以将零散的信息整理出来,形成有条理、有逻辑的知识体系。总结是一个反思自己,调整方向的过程,需要我们勇于面对和纠正自己的不足之处。运动不仅能够带给
在学习中,总结可以帮助我们发现问题、找到解决的方法。在写总结时要注意精确和准确地使用专业术语和词汇,提高写作的专业性和权威性。总结的同时,我们也要注意自我激励,
历史是我们了解过去、探索未来、珍惜现在的重要途径。总结不仅要总结自身,还要学会关注他人的意见和建议。总结是人们对自己一生经历和成长的概括和反思,那么我们该如何写
总结是一堂课,它教会了我们如何从失败和挫折中吸取教训。写作需要注意语言表达的准确性和逻辑性,避免产生歧义。以下是成功人士总结出的职业发展经验,大家可以借鉴一下。
总结不仅能够发现问题,还能发现事物发展的规律和不足,为下一步的工作做好准备。要写一篇较为完美的总结,首先需要对所总结的内容有一个清晰的认识。以下是一些关于总结写
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我
总结是对过去一定时期的工作、学习或思想情况进行回顾、分析,并做出客观评价的书面材料,它可使零星的、肤浅的、表面的感性认知上升到全面的、系统的、本质的理性认识上来
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。那么我们该如何写一篇较为完美的范文呢?以下是小编为大
方案是从目的、要求、方式、方法、进度等都部署具体、周密,并有很强可操作性的计划。方案的格式和要求是什么样的呢?以下是小编给大家介绍的方案范文的相关内容,希望对大
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我为大家搜集的优质范文,
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。大家想知道怎么样才能写一篇比较优质的范文吗?
我们需要总结过去的经验,以便更好地规划未来的发展。如果我们想写出一篇好的文章,首先要做好充分的准备工作。接下来是一些总结范文的选录,希望对大家写作时有所启发和指
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。相信许多人会觉得范文很难写?以下是我为大家搜集的优质范
总结是在一段时间内对学习和工作生活等表现加以总结和概括的一种书面材料,它可以促使我们思考,我想我们需要写一份总结了吧。总结怎么写才能发挥它最大的作用呢?这里给大
总结是对某一特定时间段内的学习和工作生活等表现情况加以回顾和分析的一种书面材料,它能够使头脑更加清醒,目标更加明确,让我们一起来学习写总结吧。什么样的总结才是有
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。那么我们该如何写一篇较为完美的范文呢?下面我给大家整理了一些优秀范文,希望
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。范文怎么写才能发挥它最大的作用呢?这里我整理了一些优
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?下
从某件事情上得到收获以后,写一篇心得体会,记录下来,这么做可以让我们不断思考不断进步。那么你知道心得体会如何写吗?那么下面我就给大家讲一讲心得体会怎么写才比较好
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。那么我们该如何写一篇较为完美的范文呢?下面我给大家整
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。范文怎么写才能发挥它最大的作用呢?下面是小编为大家收集的优秀范文,供大家参考借鉴,希望可以帮助到有需要的朋
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?这里
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。大家想知道怎么样才能写一篇比较优质的范文吗?以下是小编
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。相信许多人会觉得范文很难写?以下是我为大家搜
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。大家想知道怎么样才能写一篇比较优质的范文吗?接下来小
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。大家想知道怎么样才能写一篇比较优质的范文吗?以下是小
总结是一种反思的过程,通过整理思绪来提升自我。善于总结的人通常注重细节、关注前人的经验,并勇于创新。如果你对写总结有困惑,不妨看看以下范文,或许能给你一些启发。
总结是指对某一阶段的工作、学习或思想中的经验或情况加以总结和概括的书面材料,它可以明确下一步的工作方向,少走弯路,少犯错误,提高工作效益,因此,让我们写一份总结
总结能够帮助我们准确把握所学知识的关键点,形成更加深入的理解。我们要明确总结的目的和范围,避免盲目和随意。通过阅读这些范文,我们可以了解到写总结的一些技巧和要点
“报告”使用范围很广,按照上级部署或工作计划,每完成一项任务,一般都要向上级写报告,反映工作中的基本情况、工作中取得的经验教训、存在的问题以及今后工作设想等,以
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下
报告材料主要是向上级汇报工作,其表达方式以叙述、说明为主,在语言运用上要突出陈述性,把事情交代清楚,充分显示内容的真实和材料的客观。报告的格式和要求是什么样的呢
总结是进步的必备工具之一。在总结的过程中,要注意突出重点,展现自己的亮点和成果。以下是小编为大家整理的阅读技巧,供大家参考学习。小学班主任先进事迹简介篇一这是我
在经济发展迅速的今天,报告不再是罕见的东西,报告中提到的所有信息应该是准确无误的。报告书写有哪些要求呢?我们怎样才能写好一篇报告呢?下面是小编给大家带来的报告的
总结是对过去经历的回顾,也是未来规划的基础。完美的总结应具备简洁明了、准确有力的特点。对于这个问题,以下是一些专家的观点和研究成果,值得我们去参考和借鉴。小学班
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢?这里我
当在某些事情上我们有很深的体会时,就很有必要写一篇心得体会,通过写心得体会,可以帮助我们总结积累经验。好的心得体会对于我们的帮助很大,所以我们要好好写一篇心得体
我们在一些事情上受到启发后,可以通过写心得体会的方式将其记录下来,它可以帮助我们了解自己的这段时间的学习、工作生活状态。那么我们写心得体会要注意的内容有什么呢?
总结是一次探索,它让我们更加深入地了解自己和他人。如何写一篇精彩的文章?这是许多人心中的问题。总结是自我认知和进步的有力工具,以下是一些优秀总结范文,供大家参考
心中有不少心得体会时,不如来好好地做个总结,写一篇心得体会,如此可以一直更新迭代自己的想法。大家想知道怎么样才能写得一篇好的心得体会吗?下面我帮大家找寻并整理了
心得体会是我们在一段时间内对某个经历、事件或学习过程的感悟和思考的总结。通过写心得体会,我们可以加深对所学内容的理解,提升自己的思考能力和分析能力。每次总结都是
通过总结,我们可以更好地发现问题、总结经验、提升能力。5.总结要具有清晰的逻辑思维和正确的表达方式总结范文中的案例和经验可以帮助我们更好地理解和应用总结的方法和
人类的创造力是无限的,艺术作品是人类的智慧结晶和对美的追求。在写总结时,要站在全局的角度思考,不只关注个人的问题。在这里,我们为大家精选了一些总结范文,希望能够
心得体会是我们在完成一项任务或解决一个问题后的思考和总结。3.一篇好的心得体会应该注意结构的合理性和条理性,让读者能够循序渐进地理解你的思路。在下面是我整理的一
心得体会是我们在学习和工作生活等方面的经验总结和感悟,它可以帮助我们提高自身能力,思考问题,以及取得更好的成果。心得体会是一种重要的学习和提升方式,它能够让我们
无论是身处学校还是步入社会,大家都尝试过写作吧,借助写作也可以提高我们的语言组织能力。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下面是小编为大家收集的优
通过撰写报告,我们可以提高我们的逻辑思维、表达能力和组织能力。最后,我们应该对报告进行全面的审校和校对,以确保没有任何拼写、语法和格式上的错误。这些报告范文展示
在繁忙的现代社会中,我们需要学会处理各种复杂的情况。总结时应以事实为依据,以理性的态度进行分析和总结。以下是一些往期总结的范文,供大家参考和借鉴。中学生个人先进
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下面是小编帮大家整理的优质范文,仅供参考,大家一起来看看
在日常的学习、工作、生活中,肯定对各类范文都很熟悉吧。大家想知道怎么样才能写一篇比较优质的范文吗?以下是我为大家搜集的优质范文,仅供参考,一起来看看吧几米经典语
范文为教学中作为模范的文章,也常常用来指写作的模板。常常用于文秘写作的参考,也可以作为演讲材料编写前的参考。相信许多人会觉得范文很难写?以下是我为大家搜集的优质
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?下面是小
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。大家想知道怎么样才能写一篇比较优质的范文吗?这里我整
报告是指向上级机关汇报本单位、本部门、本地区工作情况、做法、经验以及问题的报告,那么报告应该怎么制定才合适呢?下面我给大家整理了一些优秀的报告范文,希望能够帮助
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?下
文学作品是人类精神世界的镜像,反映了人们对生活、世界的思索与感悟。总结要真实客观,不夸大不夸张。在总结中,我们可以学习到不同行业和领域的经验和教训。李嘉诚经典语
在日常学习、工作或生活中,大家总少不了接触作文或者范文吧,通过文章可以把我们那些零零散散的思想,聚集在一块。写范文的时候需要注意什么呢?有哪些格式需要注意呢?下
人的记忆力会随着岁月的流逝而衰退,写作可以弥补记忆的不足,将曾经的人生经历和感悟记录下来,也便于保存一份美好的回忆。那么我们该如何写一篇较为完美的范文呢?接下来
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。范文书写有哪些要求呢?我们怎样才能写好一篇范文呢?以下
每个人都曾试图在平淡的学习、工作和生活中写一篇文章。写作是培养人的观察、联想、想象、思维和记忆的重要手段。相信许多人会觉得范文很难写?下面是小编帮大家整理的优质
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屏幕方向管理器是一款专为用户提供手机方向控制服务的应用程序。作为一款专业的管理工具,它能够强制调整手机屏幕的旋转方向。这款应用程序提供了多种功能,使用户能够轻松选择个性化的屏幕旋转方式。此外,屏幕方向管理器还具备丰富的设置选项,让用户可以通过简单的操作实现更多个性化配置,使用起来既方便又快捷。

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