三個“二次”即一元二次函數(shù)、一元二次方程、一元二次不等式是高中數(shù)學的重要內容,具有豐富的內涵和密切的聯(lián)系,同時也是研究包含二次曲線在內的許多內容的工具 高考試題中近一半的試題與這三個“二次”問題有關 本節(jié)主要是幫助考生理解三者之間的區(qū)別及聯(lián)系,掌握函數(shù)、方程及不等式的思想和方法。課程目標1. 通過探索,使學生理解二次函數(shù)與一元二次方程,一元二次不等式之間的聯(lián)系。2. 使學生能夠運用二次函數(shù)及其圖像,性質解決實際問題. 3. 滲透數(shù)形結合思想,進一步培養(yǎng)學生綜合解題能力。數(shù)學學科素養(yǎng)1.數(shù)學抽象:一元二次函數(shù)與一元二次方程,一元二次不等式之間的聯(lián)系;2.邏輯推理:一元二次不等式恒成立問題;3.數(shù)學運算:解一元二次不等式;4.數(shù)據(jù)分析:一元二次不等式解決實際問題;5.數(shù)學建模:運用數(shù)形結合的思想,逐步滲透一元二次函數(shù)與一元二次方程,一元二次不等式之間的聯(lián)系。
【說教材】 孔雀是孩子們喜歡的鳥類,他們在電視上、圖書中見到過孔雀,而該活動進一步加深幼兒對孔雀的了解?!毒V要》中指出:讓幼兒感受生活的美,能用自己喜歡的方式表現(xiàn)自己的感受。因此我選擇了這一活動,讓幼兒大膽地展示自己。我班的幼兒大多數(shù)沒上過幼兒園,在語言表達能力方面有些欠缺,但他們敢于用動作表現(xiàn)自己?!菊f目標】通過《綱要》的要求及對教材的分析,我制定了以下活動目標:(1)學習冠形、掌形和孔雀展翅的動作,能隨音樂輕柔、優(yōu)美地進行表演。(2)了解孔雀的外形特征和生活習性。(3)產(chǎn)生喜愛孔雀、愛護孔雀的情感?!菊f活動重、難點】從活動目標看出本節(jié)活動的重難點是:了解孔雀的外形特征及學習冠形、掌形和孔雀展翅的動作,并隨音樂表演。
(一)教材的地位和作用 本課教學內容是新課標人教版地理八年級上冊第二章第二節(jié)“氣候多樣 季風顯著”的第一課時,本節(jié)主要介紹中國的氣候,在內容編排上都是圍繞氣候特征這一主線展開的。要了解氣候首先要了解它的基本要素--氣溫的分布及特點,對這部分知識的學習和技能的掌握是學習本節(jié)內容的前提和基礎。(二)課程標準的教學要求 新課程標準要求學生通過已有的氣溫資料及地圖來認識我國氣溫分布規(guī)律,進一步探究影響我國氣溫分布規(guī)律的主要因素。
大家好!今天我說課的題目是大班語言活動——頑皮的小雨滴。因為大自然奇趣盎然,藍天白云,風霜雨雪,日出日落,大自然規(guī)律為人類提供了生存的條件,為人類創(chuàng)造了美好的生活。幼兒生活在絢麗多彩的大自然中,一切都使他們感到新奇:“天上為什么會下雨?”“風是從哪里來的?”“為什么云有各種形狀?”《綱要》中指出:“教育活動內容的選擇要貼近幼兒的生活,選擇幼兒感興趣的事物和問題,再者,環(huán)境是重要的教育資源?!彼晕覐挠變旱呐d趣出發(fā),選擇“頑皮的小雨滴”這個活動?! 〈蟀嚯A段是幼兒個性初步形成的階段,幼兒的個性和交往能力在學習中得到充分發(fā)展。根據(jù)本班幼兒口語發(fā)展特點以及大班語言發(fā)展目標,因此,我把本次活動的目標定為: 1、能感受散文中的優(yōu)美語句,體驗散文的優(yōu)美意境?! ?、發(fā)揮想象,深入理解畫面內容,大膽地用語言表述畫面的意境,培養(yǎng)幼兒的藝術思維。理解雨水與環(huán)境以及人類的關系。
一、說設計意圖 這是一首散文詩,寫是的果園里一年四季都有朋友:梨樹、桃樹、蘋果樹,還有受小朋友們喜愛的小蜜蜂、小鳥、小兔等,果園有了這些朋友所以很快樂。此次教學活動就是要讓小朋友感受果園的快樂,也感受朋友間帶來的快樂。因此,活動以動靜結合的方式,讓小朋友們去理解和感受。二、說目標 活動的目標是教育活動的起點和歸宿,對活動者起著導向作用。幼兒園語言教育的目標之一是“喜歡欣賞文學作品,理解作品內容,感受文學作品的美,具體地說,就是要培養(yǎng)幼兒愛聽、愛看、愛講、愛表演兒童文學作品,能理解并復述簡短的句子?!备鶕?jù)中班幼兒年齡的特點及我班幼兒的實際情況,將目標定為:1、欣賞散文詩,并理解散文詩的內容,初步了解一年四季果樹的變化。2、能大膽地講述和表演,發(fā)展幼兒口語表達能力和想象能力。3、感受豐收和朋友間帶來的快樂。
《幼兒園教育指導綱要》的基本點是以幼兒發(fā)展為出發(fā)點和歸宿。而以幼兒發(fā)展為本的內涵是相當豐富的,包括目標定位要為幼兒終身的、可持續(xù)的發(fā)展奠定基礎,要充分考慮幼兒身心特點,實現(xiàn)“促進每一位幼兒在原有水平上得到充分的發(fā)展”,促進幼兒生動、活潑的發(fā)展等等。本次活動以這一理念為指導,制定活動的目標如下:(1)通過理解故事情節(jié)、內容,感受作品的意境美和語言美,懂得幫助別人是一件快樂而美好的事情。(2)激發(fā)幼兒語言表達的欲望,提高對文學作品的感受和表現(xiàn)能力。故事所蘊含的深刻思想和作者的情懷,通過形象和情景的描繪表現(xiàn)出來。達到情景交融、物我交融,這就是意境美。而這種優(yōu)美的意境是由語言的彩線編織而成的,文學作品之美,離不開語言之美??梢姡饩趁篮驼Z言美是故事欣賞的兩個重要內容。因此,活動的重點目標定位在“通過理解故事情節(jié)、內容,感受作品的意境美和語言美,懂得幫助別人是一件快樂而美好的事情”。對于現(xiàn)今的獨生子女,幫助別人這一美德離他們越來越遠,運用多種形式讓幼兒“懂得幫助別人是一件快樂而美好的事情”定位為本次活動的難點。難點的解決并非通過說教來解決,是在理解故事、表演故事的過程中潛移默化地感受作品所傳達出的美好意境,從而產(chǎn)生幫助別人的美好情感。
走進黑暗的世界里,孩子們要面對恐懼,他們將依靠各種感官來認識自己生活的另一半世界,建構對黑暗的認識。因此,我設計了這個主題的一節(jié)課《不開燈的晚上》,讓孩子們對黑夜充滿好奇和無窮的想象?! ?、理解故事內容,體會故事中夜晚的優(yōu)美意境?! ?、練習閉眼走,體驗閉眼游戲的刺激和獨特感受。
說活動目標《幼兒園教育指導綱要》的基本點是以幼兒發(fā)展為出發(fā)點和歸宿。而以幼兒發(fā)展為本的內涵是相當豐富的,包括目標定位要為幼兒終身的、可持續(xù)的發(fā)展奠定基礎,要充分考慮幼兒身心特點,實現(xiàn)“促進每一位幼兒在原有水平上得到充分的發(fā)展”,促進幼兒生動、活潑的發(fā)展等等。本次活動以這一理念為指導,制定活動的目標如下:(1)通過理解故事情節(jié)、內容,感受作品的意境美和語言美,懂得幫助別人是一件快樂而美好的事情。(2)激發(fā)幼兒語言表達的欲望,提高對文學作品的感受和表現(xiàn)能力。故事所蘊含的深刻思想和作者的情懷,通過形象和情景的描繪表現(xiàn)出來。達到情景交融、物我交融,這就是意境美。而這種優(yōu)美的意境是由語言的彩線編織而成的,文學作品之美,離不開語言之美??梢?,意境美和語言美是故事欣賞的兩個重要內容。因此,活動的重點目標定位在“通過理解故事情節(jié)、內容,感受作品的意境美和語言美,懂得幫助別人是一件快樂而美好的事情”。對于現(xiàn)今的獨生子女,幫助別人這一美德離他們越來越遠,運用多種形式讓幼兒“懂得幫助別人是一件快樂而美好的事情”定位為本次活動的難點。難點的解決并非通過說教來解決,是在理解故事、表演故事的過程中潛移默化地感受作品所傳達出的美好意境,從而產(chǎn)生幫助別人的美好情感。
一、認識說課的實質說課是指教師以現(xiàn)代教育理念為指導,在精心備課的基礎上,面對同行或教學研究人員,采用口頭語言或相關輔助手段,闡述某學科課程或某具體課程的教學設計及其依據(jù)的教學研究過程(李崇愛,孟應周,2011)。簡單而言,說課就是教師對“教什么”、“怎么教”、“為什么這么教”等問題進行闡述。這樣做的目的,一方面可以展現(xiàn)一個教師的教育理論修養(yǎng)、教學組織能力和口頭表達能力,另一方面可以幫助教師優(yōu)化教學設計,反思教學行為,分享教學經(jīng)驗。
抱怨是容易的,正如心理專家所言,“抱怨帶來輕松和快感,猶如乘舟順流而下,那是因為我們是在順應自己負面思考的天性,而停止抱怨,改而用積極的態(tài)度去欣賞事物美好光明的一面,卻需要意志力?!钡拇_,抱怨是很多人生活的常態(tài)——工作、家庭、人際、天氣、交通……這些都是抱怨的對象。抱怨的人是不快樂的,他永遠只會在不快樂的出發(fā)點原地打轉,沒有意識到自己在思維和行為上需要的改變。抱怨是容易的,而停止抱怨,卻需要意志力。
Step 7 Language points 1.Vocabulary (1) go through (2) set down (3) a series of (4) on purpose (5) in order to (6)at dusk (7)entirely (8)face to face 2.Important sentences (1)…I’ve grown so crazy about everything to do with nature. (2)There was a time when … (3)I stayed awake on purpose until … (4)It was the first time … that I’d seen the night … (5)It’s no pleasure looking through … Purpose: 1.Master the required vocabulary and sentence structures. 2.Use them freely. Step 8 Consolidation 1.Find out the topic sentences 2.Retell the text according to the topic sentences Purpose: I want to know if my students understand the text. Step 9 Discussion Imagine you have to go into hiding like Anne and her family, what would you miss most? Giveyour reasons. Purpose: Train Ss’ oral English ability. Step 10 Homework Write an article on Friends. Purpose: 1. Improve the Ss’ writing ability. 2 Train the Ss’ ability of self—teaching and looking up information by themselves. Part 5 Blackboard design(說板書設計)Unit 1 Friendship Reading Anne’s Best Friend 1.Main idea of each paragraph: Para. 1 Anne made her diary her best friend. Para .2 Anne wrote her feelings in her diary. Para .3 Anne missed nature. Para.4 Anne saw the night face to face Para.5 Anne wanted to experience nature outdoors. 2.Listening: Exx.1 P3 3.Discussion: Exx.3 P3 Purpose: 1.Make Ss familiar with the passage 2.Make the design inductive, instructive and artistic.
2. let the Ss complete the forms paragraph by paragraph. Purpose here is to help Ss to get the habit of reading a passage as a whole, and pay attention to the organization of the text, as a result the Ss will fully understand the whole passage.3. ask Ss to retell the passage with the help of the key words in the form.Since the Ss in the class are in different levels, so I let them to fill in the blank to understand the meaning of the words and phrases better. ( That’s all for the while-reading. Now let’s move to the fifth step.)Step V: Post-reading (10mins) ---DiscussionIn this part students are asked to discuss in groups and list Wang Kun’s and Wang Wei’s attitudes about the trip. After that, Ss are encouraged to express their attitudes with the whole class. Collect their answers and don’t forget to praise them even if their answers may not be perfect.In this activity, discussion provides a vivid and active learning environment for Ss to communicate in English with newly learned language items. (Finally it comes to the homework.)StepⅥ: Homework (1min)1. Ss are required to read the text again after class and figure out the meaning of some complex sentences.2. Do the exercises on P19; This can help Ss to consolidate what they’ve learnt and make preparation for the next lessonPart4. Blackboard design.(說板書設計)On the top, there is the title of this lesson. On the left, there are main ideas for each paragraph. On the right, there are some new words and expressions.Unit 3 Travel journalJourney down the MekongMain idea of each para.:Para1: deciding to take a great bike trip along the Mekong river.Para2: Different attitudes between Wang kun and Wang wei.
(3)v. 給:提出;展現(xiàn),顯現(xiàn)present sb. with sth. ; present sth. to sb. 把. . 交給;頒發(fā);授予present sth. (for sth. )/present sth. to sb. e. g. Om his birthday, his friends presented him a collection of stamps. 在他生日時,他的朋友們送給他一套郵票作為禮物。The sword was presented by the family to the museum. 這家人把寶劍捐贈給了博物館。The committee will present the final report to Parliament in June. 委員會將在六月向議會提交最后的報告。You need to present yourself better. 你需要更善于展現(xiàn)自己。It is essential that we present a united front. 至關重要的是我們要表現(xiàn)得更加團結。Step 4 ConsolidationT:Now that we have got a general idea of these words and phrases. Lets make up some sentences using them to master them. Suggested sentences:1. Your duties include typing letters and answering the telephone. 2. It is one of the greatest roles that she has played. 3. A large number of people have applied for the job. 4. The number of the panda is declining. 5. I'11 go there, even if I have to walk. 6. He came up to me to ask for a light. 7. The novel is about a family who can't communicate with each other. 8. He based his plan on interests of most people. 9. Why doesn't he make use of his singing talent?Step 5 Summary and homeworkT:Today we dealt with several new words and phrases. After class I hope that youcan read them again and again to keep them in mind. That's all for today. You aredismissed.
一. 教材分析1. 本單元的中心話題是“計算機(Computers)”,內容涉及計算機的發(fā)展歷史,計算機的應用等。本節(jié)課是該單元的第一課時,我將Warming up, Pre-reading and Comprehending這四部分整合為一節(jié)精讀課。其中。Reading部分是題為WHO AM I?的文章,以第一人稱的擬人手法介紹了計算機發(fā)長演變的歷史和計算機在各個領域的應用,其主旨是表達計算機的發(fā)展變化之快以及在生活中用途之廣。而Warming up部分以圖片的形式展現(xiàn)了計算機的發(fā)展歷程;Pre-reading中的問題和排序分別是為了預測語篇的內容和測試學生對計算機歷史了解的情況;Comprehending則通過各項練習訓練學生的閱讀技能,從而加深對文章的理解??梢娺@幾部分是一個有機的整體。2. 教學目標:1) 語言目標:重點詞匯及短語:abacus, calculate, calculator, PC, laptop, PDA, robot, analytical, technological, universal, mathematical, artificial, intelligent, network, explore, in common, as a result.重點句子:a. My real father was Alan Turing, who in 1963 wrote a book to describe how computers could be made to work, and build a “universal machine” to solve any mathematical problem.
Ⅲ. Analysis of the teaching material:The topic of this unit is cultural relics. Students are quite interested in topics about different cultures around the world. This is the second period of the whole unit. As a reading class, the passage mainly talks about the history of the amber room (how it was made, sent as a gift, lost and rebuilt).According to the new national curriculum, when teaching reading, much emphasis should be put on training the students’ reading skills.Ⅳ. Teaching objectives1. Language objectives:1) Students are required to master the key words and phrases occurred in the passage (e.g. amazing, decorate, belong, in return, less than etc.)2) Students are required to learn the attributive clause and acquire the sentence pattern.2. 1) Students are required to describe a certain thing by using the new sentence patterns.2) Students are required to master two kinds of reading skills—skimming and scanning, and learn to use them in their daily reading.3. 1) Students are required to know the history of the amber room.2) Students are required to appreciate cultural relics and understand the importance of protecting them.Ⅴ. Teaching important and difficult points1) the new words, phrases, and sentence pattern in the course of reading.2) Teaching difficult point: Help the students master two kinds of reading skills—skimmingand scanning and learn to apply them in daily use.Ⅵ. Teaching methods:Task-based method & Top-down model Ⅶ. Teaching aids: PPT, pictures, blackboard Ⅷ. Teaching procedure:
Purpose of my design:To ask the students to do these two tasks will make the Ss predict the story of this passage. As a result, it will deepen Ss’ memory of this story because they will have their own understanding of this story.Step 3. While-readingTask 1. (Individual work _____min)Skimming: ask students to skim the text and the main ideas of each paragraph in this passage. Please read it quickly and then match the sentences with the letters.Task 2. (Individual work _____min)Scanning: read the text quickly and decide the whether the following statements are true or false and give reasons.Task 3. (Pair work _____min)Listen to the tape and fill in the banks. Then read the paragraph with expression to your partner.Task4 (individual work min)Listen to the tape again and write down the main idea in one sentence.Purpose of my design: Enable students to understand the given material better by using different reading skills. And proper competition can arouse the Ss’ interest in English learning. “Task-based” teaching method is used here todevelop the Ss’ ability of communication and also their ability of co-operation will be well trainedStep 4. Post-readingTask 1. (Individual work, pair work, group work, class work; _____min)Discussion (group of 4):1. If you were Hippomenes, would you run against Atlanta?2. Do you think Hippomenes deserved to win the race? Why or why not?Step 5. HomeworkPlease read the story again carefully after class and imagine: What will happen during the race between Hippomenes and Atlanta? Who do you think will win the race? Do you think Atlanta would marry Hippomenes? Write an end for the story with thses questions.Purpose of my design: Homework is so important and necessary for to master the knowledge they learned after class. It will check whether the Ss achieve the teaching aims.Part 5 Blackboard design
When it comes to the students’ studying methods, I'd like to introduce my Ss first. The Ss have a good command of basic language points. They’re interested in learning English, and they take an active part in English class, so they will have fun in autonomous, cooperative and inquiry learning. I will just serve as a guide, showing them the way to explore how to make more progress in their English learning.Now it’s time for the most important stage of this lesson. My teaching procedures are arranged as follows:Step1.Leading-in (3 minute)Play a video of a wide variety of wildlife to introduce my topic. Step2. Speaking (12 minutes)We will use our textbook Page25. Let the Ss fast read the short paragraph to warm up. Ask them to talk about the report on some endangered wildlife in China with the dialogue patterns on the screen. Lastly, I will invite some groups to demonstrate their dialogues about saving wildlife in China.Step3.English play (3 minutes)Watch another video in praise of their excellent performance just now. It’s about Jack Chen’s(成龍)and Yang Ziqiong’s wildlife protection.Step4. Listening (twice 13 minutes)This time, I’ll ask the Ss to fill in the blanks of the monologue of the 2 movie stars above. Step5.Discussion (3 minutes)Which would you like to choose to wear, clothes made of cotton, artificial leather or animal skins? Why ?Step6. Summary (3 minutes)1. If there were no wildlife, there wouldn’t exist human beings. If the buying stops, the killing can, too.2. Animals are our friends. To love animals is to love ourselves. Stop hunting, killing and destroying wildlife.3. Let’s live in harmony with all the living things in the world. Step7. Music appreciation (3 minutes)Let the Ss appreciate the song Earth Song by Michael Jackson. Last but not the least, I will show you my blackboard design.
Then I would ask them to think of a funny English or Chinese and tell it to partners. While telling stories, they can use expressions and some acting to help make the story funny. 5 minutes would be given to do this.Those stories they told there will be the material for their writing. Soletting them tell it at first is helpful. And they can make a difference between telling a funny story and writing it down. Generally speaking, it is difficult forstudents to write well because they don’t know what to write and how to write. Asking them to tell their own stories at first can help them come up with what to write.After their telling, I would invite someone to share his/her story with all of us and I would write it down on the blackboard.This example story would be used as a sample to illustrate the format of funny story. Different from a story from teacher or textbook, a story from students can obviously become a interesting material to draw students’ attention.Then I would ask the whole class to put this story into several parts. It might be a little bit difficult for them. So I would ask them to find out whether all the sentences are necessary. After delete some sentences, there are 6 sentences left behind. Then they can easily put them into three parts. After interaction with students, I would teach them the right terms for each part and conclude the format of funny story.This step is the key and difficult point in my lesson. So I mainly usetask-based teaching method in this part and the task for students was divided into several stages. With the separated difficult level, students can find there are usually three parts in writing. They can also learn to write without the unnecessary parts in the process of analyzing. And then I wouldn’t rush to tell them the right terms to them directly. Instead, I would ask them to name them by their own. A confused mind is better for acquiring knowledge.While-writing:Then I would give students 7 minutes to write down this story, without other requirements.With all the preparations in pre-writing, students’ difficulties were cleared. So it would be much easier for them to write down the story within 7 minutes. There are no other requirements because students’ first writing is actually a drafting. It would be revise and edit several times later. Writing, as a skill
Good afternoon, teachers, It’s my great pleasure to be here sharing my lesson with you.The content of my lesson is Senior English Book 3 Unit 5 Canada —— “The true North”.I’ll be ready to begin this lesson from five parts. Analysis of the teaching material,the teaching methods,the studying methods, the teaching procedure,and Blackboard design.First, let me talk about the teaching material.Part 1 Teaching Material:This unit is about the introduction of Canada. By studying of this unit,we’ll enable the students to learn the geography, population, main cities, and natural beauty, natural resources of Canada. Through the training of the unit, it also requires students to learn some Language skills such as the expressions of position and emotions.So it plays an important part in the English teaching in this book.After studying the teaching material and analyzing the rule of children’s growing of mind,I think the teaching aims are the followings:1.Knowledge objects:(1) make the students learn some new words and phrases(2) make the students understand the content of the lesson.2.Ability objects:(1)To develop the Ss’ abilities of listening, speaking, reading and writing. Especially reading and speaking ability.(2) learn to talk about the characters of Canada in English(3)To train the Ss’ ability of working in pairs.3.Emotion objects:(1)Enable students to understand the characters of Canada..(2)Stimulate Ss to work hard to make China stronger.Part 2 Teaching Methods:I think helping students learn to master new words and phrases and improve the students’ reading and speaking ability is import and the difficult.According to the analysis of the teaching material and the import points and the difficult points,I will use the following teaching methods : question-guiding approach; fast-reading and careful reading; multi-media teaching methods; discussion
Teaching plan for Unit 1 book3Good morning, teachers. It’s my great pleasure to be here because I can share my lesson with you and I can learn a lot from it. I’ll begin my lesson from the following four parts, the teaching material, the teaching methods, the studying methods and the teaching procedure.Firstly, let me talk about the teaching material. The content of my lesson is the reading passage festivals and celebrations of Unit 1 Festivals around the world. This passage is about festivals and celebrations. By studying this passage, we’ll enable the students to know that festivals exit everywhere, and many of festivals in different countries celebrate similar ideas. As we all know, the reading passage is the center of each unit. If the Ss can learn it well, it will be helpful to make the Ss learn the rest of this unit.After studying the teaching material, I think the teaching aims are as the followings:1. Knowledge aims:(1) The Ss can master the usage of the important words andexpressions.(2)The Ss can use the __________________ (grammar) in the proper situation.Make students know about the festivals all over the world and the detail of the festivals, such as origin, content, and the date of the holiday festivals.2. Ability aims:(1) Students can talk about festivals and celebrations in English(2) To improve the student’s reading ability, especially their skimming and scanning ability.3. Emotion aims:Make the Ss know about the foreign festivals, and respect other countries’ custom.Next, let’s come to the important points and the difficult points.The important point is how to make the Ss understand the text better and the difficult point is how can they talk about it. secondly, Teaching Methods:1. task-based Language Teaching2. Computer assisted language teaching.3. question-and–answer methodThirdly, Studying Methods: