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人教A版高中数学必修一用二分法求方程的近似解教学设计（1）
《数学1必修本（A版）》的第五章4.5.2用二分法求方程的近似解．本节课要求学生根据具体的函数图象能够借助计算机或信息技术工具计算器用二分法求相应方程的近似解，了解这种方法是求方程近似解的常用方法，从中体会函数与方程之间的联系；它既是本册书中的重点内容，又是对函数知识的拓展，既体现了函数在解方程中的重要应用，同时又为高中数学中函数与方程思想、数形结合思想、二分法的算法思想打下了基础，因此决定了它的重要地位．发展学生数学直观、数学抽象、逻辑推理和数学建模的核心素养。课程目标 学科素养1.通过具体实例理解二分法的概念及其使用条件．2.了解二分法是求方程近似解的常用方法，能借助计算器用二分法求方程的近似解．3.会用二分法求一个函数在给定区间内的零点，从而求得方程的近似解． a.数学抽象：二分法的概念；b.逻辑推理：运用二分法求近似解的原理；
新人教版高中英语必修2Unit 1 Cultural Heritage-Discovering Useful Structure教案二
This theme of the part is “ Describe people or things in greater detail”. Students have learned the grammar(restrictive relative clauses) in Book 1, and further review and consolidate its structure “prep+relative pronouns(which/whom)” and the relative adverbs(when, where and why), besides students should understand its form, meaning and functions. In this section, students should be able to express the grammar correctly in daily communication and in the writing. 1. Review the basic usages of relative pronouns and adverbs of attributive clauses . 2. Learn to use some special cases about restrictive relative clauses.3. Learn to write sentences with restrictive relative clauses flexibly according to the context.1. Review the basic usages of relative pronouns and adverbs of attributive clauses .2. Learn to use some special cases about restrictive relative clauses.3. Learn tow rite sentences with restrictive relative clauses flexibly according to the context.Step 1. Observe the following sentences, and mark the relative pronouns and the adverbs. 1. After listening to the scientists who had studied the problems, and citizens who lived near the dam, the government turned to the United Nations for help.2. Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water.Step 2 PracticePlease complete these sentences with relative pronouns and relative adverbs and answer the following questions.Questions: 1. What is the head noun ?2. What relative words should be used ?3. What elements do they act in these sentences ?
新人教版高中英语必修2Unit 2 Wildlife Protection-Reading for Writing教案二
This lesson aims at making a poster about protecting wildlife after reading some posters. During reading students are guided to understand the content and try to summarize the posters with one sentence. Then students are guided to try to make a poster about protecting wildlife.1. Read the two posters and try to understand the summary sentences.2. Look at the two posters and try to understand what emotions they express.3. Try to summarize the features of posters4. Try to make a poster about wildlife.1. Look at the two posters and try to understand what emotions they express.2. Try to summarize the features of posters3. Try to make a poster about wildlife.Step 1 Lead inLook at the the posters on the textbook and ask:Which emotions do the posters communicate ?Step 2 Read the poster and answer the questions.1. What do you think of the animals in the poster on the left ?I think it is frightening and ugly.2. Why do we should protect the ugly animals ?All species--the good, the bad, and the ugly-- should be treated equally.The world needs all kinds--without variety, our planet cannot survive.3. Why are billions of trees being cut down every year ?To make paper for humans.4. What result will be lead to after the trees are cut down ?A lost of animal homes are being destroyed./The habitat of wildlife is being destroyed.Step 3 Find the feature of posters1. What does each poster use to stir up emotions ?On the left, it makes us a little frightened and it looks a little ugly, but it can activate our curiosity--What is it? And What is wrong with it?On the right, it makes us feel a little sad and want to protect them.
新人教版高中英语必修2Unit 2 Wildlife Protection-Discovering Useful Structure教案二
2．表示现阶段正在进行的被动动作(该动作在说话的瞬间未必正在进行)。Many interesting experiments are being carried out these days.(说话时，并不一定正在进行)3．表示一种经常性的被动行为，常和always，constantly 等表示频度的副词连用，这种用法常常带有赞扬或厌恶的感情色彩。He is always being praised by the leader.4．表示按计划或安排主语将要承受谓语动词所表示的动作(仅限于少数及物动词)。A party is being held tonight.Step 4 Special cases1.像take care of, look after, talk about, think of等动词与介词构成的短语用于现在进行时的被动语态时, 其中的介词不可省略。The ways to stop illegally hunting are being talked about. 2．可与部分情态动词连用，表示对正在发生的事情的推测。She may be being punished by her mother.3．有时可表示按计划或安排将要进行的一个被动动作。A celebration is being held this weekend for his success.4．某些表示“状态、心理活动、存在”等的动词，如have，want，need，love，一般不用现在进行时的被动语态，而常用一般现在时的被动语态。With the population increasing，more land is needed.5．“be＋under/in＋n.”可表示现在进行时的被动意义。My computer is under repair.＝My computer is being repaired.
新人教版高中英语必修2Unit 5 Music-Discovering Useful Structures教案二
4. When he got absorbed in his world of music, he felt as if he could “see” the beauty of the world around him, like he had in his previous life.P·P as adverbial: _________________________________________________________________.Function: _______________________________________________________________________.Step 5 Solid Complete the passage with the words in brackets in their correct forms.Well known as a successful band, the Impact members show quite a few striking qualities. They never ever give up. When _____________(question) by the media, they are not _____________(discourage) and practise even harder. They are improving themselves by attending several master training class. They are united. _____________(fill with) team spirit, they act as a whole, always aiming for glory. Step 6 Difference and similarity from -ingObserve the following examples.1. He went out, shutting the door behind him.=He went out, ________________________________________________________.2. Not knowing what to do, he went to his parents for help.=__________________________________________, he went to his parents for help.Similarity: _______________________________________________________________________________________________________________________________________________________.Difference : _______________________________________________________________________________________________________________________________________________________.Step Practice1. ________ in a hurry, this article was not so good. 因为写得匆忙, 这篇文章不是很好。2. ________ carefully, he found something he hadn’t known before. 他仔细读书时, 发现了一些从前不知道的东西。3. ________ why he did it, the monitor said it was his duty. 当被问及他为什么要这么做时, 班长说这是他的职责
新人教版高中英语必修2Unit 5 Music-Reading for Writing教案二
The Internet celebrity Gao Yifeng. Years ago, he owned 5 companies and the staffs over 1,000, but during the economy crisis, he became nothing but debt. He was so worried that his hair became white overnight. There was a time when he wanted to killed himself. But after listening to the song Start Over by Liu Huan, he decided to cheer himself up. He started a steamed bun shop and gradually became a national chain shops. Now he became successful again.Walter Haddon said, “Music is the medicine of a troubled mind.” Music contains such a pleasant and inspiring force. Music gave him courage and bravery. When he listened to the song, it made his spirit fly like a kite in the wind. Music gave him strength and brought him relief. It was the rock I leant on to become strong and to get through those hard times. I hope none of us have to go through the same kind of suffering that he did. At the same time, we all go through various periods when we feel sad or alone. During those times, music can help us in the same way that it helped him. I hope we all will somehow begin to treasure music and make it a part of our life. Thank you for your listening !5.Revise your writing each other.Does he/she explain how music has changed his/her/someone else’s life?Are some of the rhetorical devices included and used properly ?Does he/she talk about how music makes him/her/someone feel?Is the first word in each sentences capitalised?Does he/she use correct punctuation ?
高中教学学期工作计划
三、主要工作： 本学期教务处继续抓好教学管理，规范教学过程，加强教学指导，加大考核力度。群策群力、千方百计提高教学质量。 1、抓好常规教学的管理 ⑴、切实把好教学流程，规范教学秩序。上课期间(包括上晚辅导期间)禁止使用多媒体播放与教学无关的视频影像。 ⑵、规范教学过程，对备课、上课、作业批改、课后辅导、单元验收、学科竞赛等明确要求，认真检查、指导。检查作业批改两次，教务处设专人检查，记录。
高中思想政治人教版必修四《哲学史上的伟大变革活动探究型》教案
一、教材分析人教版高中思想政治必修4生活与哲学第一单元第三课第二框题《哲学史上的伟大变革》。本框主要内容有马克思主义哲学的产生和它的基本特征、马克思主义的中国化的三大理论成果。学习本框内容对学生来讲，将有助于他们正确认识马克思主义，运用马克思主义中国化的理论成果，分析解决遇到的社会问题。具有很强的现实指导意义。二、学情分析高二学生已经具备了一定的历史知识，思维能力有一定提高，思想活跃，处于世界观、人生观形成时期，对一些社会现象能主动思考，但尚需正确加以引导，激发学生学习马克思主义哲学的兴趣。三、教学目标1.马克思主义哲学产生的阶级基础、自然科学基础和理论来源,马克思主义哲学的基本特征。2.通过对马克思主义哲学的产生和基本特征的学习，培养学生鉴别理论是非的能力，进而运用马克思主义哲学的基本观点分析和解决生活实践中的问题。3.实践的观点是马克思主义哲学的首要和基本的观点，培养学生在实践中分析问题和解决问题的能力，进而培养学生在实践活动中的科学探索精神和革命批判精神。
新人教版高中英语必修1Unit 4 Natural Disasters- Reading for writing教案
①标题——标题应当简洁明了。②导语——导语是消息开头的第一段或第一句话，简明扼要地揭示出消息的核心内容。③主体——主体是消息的主要部分，要用充足的事实表现主题，对导语的内容作进一步的展开和阐述。④结束语——通常是对全文内容进行概括性的总结。3. 新闻报道增分句子（1）陈述事实常用的句型:①A terrible storm hit/struck ... , killing ..②It was a cool autumn night when the earthquake happened. A large number of buildings fell down and roads were destroyed, leaving a great many people homeless.地震发生在一个凉爽的秋夜。大量的建筑物倒塌，道路被毁,许多人无家可归。③With the help of the rescue team, people who were the trapped in the flood were saved.在救援队的帮助下，困在洪水中的人们得救了。（2）陈述观点常用的句型:①Clearly/Obviously/In my opinion/It seemed that people were shocked.显然/在我看来/似乎人们震惊了。②The whole city was in ruins after the earthquake.地震后整个城市成了一片废墟。（3）揭示原因常用的句型:Because of/As a result of/Thanks to the help of the army, people who got injured were sent to the hospital immediately.
新人教版高中英语必修2Unit 4 History and traditions教案
这个地区有着深厚的传统。既学既练：为了让更多的外国游客了解中国文化，欣赏中国美丽的自然风光，感受中国发生的巨大变化，某外文杂志社将出版一本英语小册子来介绍中国的旅游景点。该杂志社邀请你为该小册子写一篇英语短文来介绍杭州，内容包括：1．杭州的位置(中国东南部)、面积(16 000多平方公里)及历史(2 200多年)等；2．杭州的旅游特色(自然风景、传统文化、特色小吃等)；3．希望更多的游客来杭州参观。注意：1．词数80左右；2．可适当增加细节，以使行文连贯。Located in the southeast of China, Hangzhou is a beautiful city．Dating back more than 2，200 years, Hangzhou covers an area of more than 16，000 square kilometers．In Hangzhou, you can visit the West Lake, whose scenery is fascinating．In addition, you can’t miss its cultural relics and historical sites, from which you will learn more about excellent Chinese traditional culture and traditions．In Hangzhou, the special snacks are famous and visitors from different parts of the world think highly of them．As a tourist attraction, Hangzhou attracts a large number of visitors from home and abroad every year．Once you come to China, Hangzhou is a scenic spot you can’t miss．
新人教版高中英语必修1Unit 4 Natural Disasters-Discovering Useful Structures教案
【教材分析】This teaching period mainly deals with the grammar: the restrictive relative clauses.This period carries considerable significance to the cultivation of students’ writing competence and lays a solid foundation for the basic appreciation of language beauty. The teacher is expected to enable students to master this period thoroughly and consolidate the knowledge by doing some exercise of good quality.【教学目标与核心素养】1. Get students to have a good understanding of the basic usages of the restrictive relative clauses.2. Enable students to use the restrictive relative clauses flexibly.3. Develop students’ speaking and cooperating abilities.4. Strengthen students’ great interest in grammar learning.【教学重难点】How to enable students to have a good understanding of the restrictive relative clauses, especially the uses of the relative words such as which, that, who, whom.【教学过程】Step1: 语法知识呈现定语从句（一）—关系代词的用法在复合句中, 修饰名词或代词的从句叫定语从句。定语从句通常由关系代词或关系副词引导，说明事物的具体信息，从句位于被修饰词之后。被定语从句修饰的词叫先行词，引导定语从句的词叫关系词，关系词指代先行词，并在定语从句中充当成分。关系词有两种：关系代词who, whom ,whose, that, which, as和关系副词when, where, why。
新人教版高中英语必修1Unit 4 Natural Disasters-Listening and Speaking教案
【教材分析】高考听力材料的选用非常重视语言真实性和交际性的原则，语言材料一般来源于实际生活，对话的内容大都取材于日常生活，即衣、食、住、行、工作、学习、天气、生活环境等话题，可分为校园、公共场所、家庭等方面，如: shopping, finding the way, doing one’s homework, seeing a doctor, making a phone call, weather report, asking for different kinds of information等。新教材的特点就是利用生活中真实文本，只是降低难度，让学生注重语言的应用，将是我们高考把握方向的重要因素。【教学目标与核心素养】学习能力目标：在听力当中，学生应该有效规划学习方法，选择恰当的策略与方法。这节课的训练目标是让学生有正确的预测和抓住问题的关键信息，从而用心去听来找寻关键信息。根据生活中实际情况和高考常见语境，我们不难发现提前预测和抓住题干中的w很重要，即what, where, when, why等等。
新人教版高中英语必修2Unit 4 History and Traditions-Discovering Useful Structure教案一
Step 5 Practice一、完成下列句子。1. Judy and I _______________（把车停下来(park)）in an underground car Park near Trafalgar Square, where we could ______________________(让我们的车充电（charge)).2. When we finally reached the service desk to ask for audio guides, we heard it ___________ that there were no audio guides____________(留下，剩下）.3. We__________________________（发现自己对...很惊讶）the large number of visitors and the amount of noise at the entrance of the National Gallery.4. Judy ____________________(眼神专注于） Van Gogh’s Sunflowers. It was hard to approach the painting as there were so many people around.5. She ____________________(把这幅画的复制品装箱（box)） to ensure that it was delivered safely.答案：1.had our car parked get our car battery charged 2. announced left 3. found ourselves very surprised 4. had her eyes fixed on 5. had a copy of the painting boxed二、用过去分词对下列句子进行改写。1. Loch Ness was surrounded by beautiful natural landscape, which made it look amazing.2. Carl and his friend stayed with a generous family who offered them bread with butter and honey that was homemade.3. The family’s ancestors once attended to soldiers who were wounded in the First World War.4. The young people were attracted by the legend of Loch Ness. They watched over the lake with their cameras and binoculars, which were positioned on the hill.答案：1. Loch Ness surrounded by beautiful natural landscape looks amazing.2. Carl and his friends stayed with a generous family who offered them homemade bread with butter and honey.3. The family’s ancestors once attended to wounded soldiers in the First World War.4. The young people attracted by the legend of Loch Ness watched over the lake with their cameras and binoculars positioned on the hill.
新人教版高中英语必修2Unit 4 History and Traditions-Listening＆Speaking＆Talking教案一
This unit is about history and traditions. From the opening page, we can know that this unit will introduce the history and traditions around the world. As Marcus Garvey says “A people without the knowledge of their past history, origin and culture is like a tree without roots”, it is important for students to realize the importance and value of knowing the history and traditions and their further meanings. And this part ( listening and speaking ) is divided into two parts: Part A---share views on historic sites, Part B ---talk about a visit to a historic tourist destination. By talking with a foreigner, the speakers introduce the historic attractions and their cultures. Part A is that William, a British student, who was going to visit the Confucius Temple and a Chinese student, Xiao Kong, who was going to the Confucius Temple to meet with the members of the research group, went together and exchanged their views on the Confucius Temple, Confucius, Confucius' descendants and Confucius' educational thoughts. Part B is a conversation between Xiao Yan, a youth hostel receptionist and Paul, a backpacker about the feelings and experience after visiting the Chinese famous tourist attraction Pingyao.1. Guide students to understand the content of listening texts in terms of the whole and key details; 2. Cultivate students' ability to guess the meaning of words in listening; discuss with their peers how to talk about historic spots and great person.3. Instruct students to use functional sentences of showing one’s excitement, surprise and disappointment.1. Guide students to understand the content of listening texts in terms of the whole and key details; 2. Cultivate students' ability to discuss with their peers the related topics.3. Enable students to use the functional items of showing one’s excitement, surprise and disappointment.
新人教版高中英语必修2Unit 4 History and Traditions-Reading for Writing教案
Step 1 Lead inThere are many interest of places in the UK. What do you know ?The Big Ben the London Tower the Thames RiverStep 2 Before reading---analyze the titleBeautiful Ireland and its traditionWe know that the article mainly tells about the beauty and traditions of Ireland. Step 3 While reading---Task 1Read the text and answer the following questions.Q1: What makes the Irish countryside exciting and inspiring?Its beauty and how it offers something for all the scenes.Q2: What are the best ways to experience some Irish traditions and cultures?By stopping by a village pub and relaxing with a drink and traditional meal while listening to music and watching dancingQ3: What is the meaning of “breathe in the sweet scent of fresh flowers while birds greet the new day with their morning song ?”It means to not just smell but also breathe in the smell of fresh flowers early in the morning as the birds sing their first song of the new day.Q4: What are the best ways to experience Chinese traditions and customs ?By travelling to different places and using all your senses to experience everything and by interacting with local people.Step 4 While reading---Task 2Analyze the descriptive paragraph1. Identify and underline the paragraph’s introductory sentence and the ending sentence.Introductory sentence: Ireland’s beautiful countryside has always had a great influence on its people and traditions.Ending sentence: And if you introduce yourself to a friendly face, you are more than likely to experience local culture and customs first-hand.2. The paragraph talks about different senses in different places. Write the senses and places in the order that they appear.
高中教师个人教学工作计划5篇
二、学情分析 在校领导的正确领导下，本学期我校生源比去年有了重大的变化.高一年级招收了400多名新生，学校带来了新的希望.然而，我清醒地认识到任重而道远的现实是，我校实验班分数线仅为140分，普通班入学成绩仍居附近各中学之末.要实现我校教学质量的根本性进步，非一朝一夕之功.实验班的教学当然是重中之重，而普通班又绝不能一弃了之.现在的学情与现实决定了并不是付出十分努力就一定有十分收获.但教师的责任与职业道德时刻提醒我，没有付出一定是没有收获的.作为新时代的教师，只有付出百倍的努力，苦干加巧干，才能对得起良心，对得起人民群众的期望.
统编版二年级语文上第3课植物妈妈有办法教学设计教案
《植物妈妈有办法》是统编版二年级上册第一单元的一篇讲述植物传播种子的诗歌，作者运用比喻和拟人的修辞手法，以富有韵律感的语言，生动形象地介绍了蒲公英、苍耳、豌豆传播种子的方法。从植物妈妈的办法中，能感到大自然的奇妙，激发学生了解更多的植物知识的愿望，培养学生留心观察身边事物的习惯。教学过程中，可以将课文插图与诗句相配合，感受三种植物传播种子的方式。课文插图画面鲜活、直观、富有儿童情趣，既能激发学生的学习热情，又能辅助学生认识事物，理解重点词句。 1.认识“植、如”等12个生字，会写“法、如”等10个生字，读准多音字“为”和“得”。2.正确、流利、有感情地朗读课文，背诵课文。3.了解蒲公英、苍耳、豌豆三种植物传播种子的方法。4.激发学生观察植物、了解植物知识、探究植物奥秘的兴趣。 1.教学重点：正确、流利、有感情地朗读课文，背诵课文。了解蒲公英、苍耳、豌豆三种植物传播种子的方法。2.教学难点：激发学生观察植物、了解植物知识、探究植物奥秘的兴趣。 2课时
初中数学人教版二元一次方程组教学设计教案
（一）例题引入篮球联赛中，每场比赛都要分出胜负，每队胜1场得2分，负1场得1分。某队在10场比赛中得到16分，那么这个队胜负场数分别是多少？方法一：（利用之前的知识，学生自己列出并求解）解：设剩X场，则负（10－X)场。方程：2X+(10－X)=16方法二：（老师带领学生一起列出方程组）解：设胜X场，负Y场。根据：胜的场数+负的场数=总场数 胜场积分+负场积分=总积分得到：X+Y=10 2X+Y=16
新人教版高中英语必修1Unit 3 Sports and Fitness-Reading for Writing教案
Then have them write a short paragraph to describe and explain their changes. After that, get the Ss to exchange their drafts with their partners and use the checklist to give feedback on their drafts, and finally revise it.Step 5 Summary of how to write a wellness book1.健康书的审题步骤：第一步：明确要求该写作属于经验分享，故要用第一人称来写;时态以一股现在时为主。第二步：确定段落该类文章可以从以下三个方面人手:Para.1首先表明写作的目的Para.2自己的做法及心得体会Para.3表示期望及感谢第三步：提炼要点2.健康书常见句式：1) It is an honor for me to share my favorite sport with you,2) It makes me feel relaxed playing with my friends.3) It makes me rid myself of stress while playing with my friends.4) Moreover, it provides me a valuable chance to communicate with others.5) I we eat too little or too much, or if we choose the wrong food, we may become sick.6) We can do something to change the poor situation.Step 6Homework假如你的老师让你在班级Wellness Bok上分享自己的亲身经历及心得，请根据以下要点写一篇80字左右的文章1. 你喜欢的运动是什么？2. 你最喜欢的原因是什么？3. 你参加锻炼的体会。
新人教版高中英语必修2Unit 3 The Internet-Discovering Useful Structure教案一
This unit is about the Internet, which has a great influence to our humans and our lives. During the Listening & Speaking & Talking and Reading and Thinking section, the influence in examples has been shown. Thus, use the Present Perfect Tense is appropriate. However, in order to show the justice or weaken the doer of the behavior/action, it’s better to use the Present Perfect Passive Voice than the Present Perfect Tense. Besides, having learned to use the Present Perfect Passive Voice, students can beautify their language in their writing. 1. Learn the structure of the Present Perfect Passive Voice and its functions. 2. Learn to change the sentences with the Present Perfect Passive Voice into the sentences with the Present Perfect Passive Voice. 3. Learn to write sentences with the Present Perfect Passive Voice flexibly according to the context. 1. Learn the structure of the Present Perfect Passive Voice and its functions. 2. Learn to change the sentences with the Present Perfect Passive Voice into the sentences with the Present Perfect Passive Voice. 3. Learn to write sentences with the Present Perfect Passive Voice flexibly according to the context. Step 1 Observe the following sentences, then change the sentences into passive voice.He has been selected to take part in the sports meeting．(肯定句)他已被挑选出来参加运动会。The ink has not been removed from his overcoat．(否定句)墨迹还没有从他外套上去掉。