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人教A版高中数学必修一奇偶性教学设计（2）
《奇偶性》内容选自人教版A版第一册第三章第三节第二课时;函数奇偶性是研究函数的一个重要策略,因此奇偶性成为函数的重要性质之一,它的研究也为今后指对函数、幂函数、三角函数的性质等后续内容的深入起着铺垫的作用.课程目标1、理解函数的奇偶性及其几何意义；2、学会运用函数图象理解和研究函数的性质；3、学会判断函数的奇偶性．数学学科素养1.数学抽象：用数学语言表示函数奇偶性；2.逻辑推理：证明函数奇偶性；3.数学运算：运用函数奇偶性求参数；4.数据分析：利用图像求奇偶函数；5.数学建模：在具体问题情境中，运用数形结合思想，利用奇偶性解决实际问题。重点：函数奇偶性概念的形成和函数奇偶性的判断；难点：函数奇偶性概念的探究与理解．教学方法：以学生为主体，采用诱思探究式教学，精讲多练。
人教A版高中数学必修一基本不等式教学设计（2）
《基本不等式》在人教A版高中数学第一册第二章第2节，本节课的内容是基本不等式的形式以及推导和证明过程。本章一直在研究不等式的相关问题，对于本节课的知识点有了很好的铺垫作用。同时本节课的内容也是之后基本不等式应用的必要基础。课程目标1.掌握基本不等式的形式以及推导过程，会用基本不等式解决简单问题。2.经历基本不等式的推导与证明过程，提升逻辑推理能力。3.在猜想论证的过程中，体会数学的严谨性。数学学科素养1.数学抽象：基本不等式的形式以及推导过程；2.逻辑推理：基本不等式的证明；3.数学运算：利用基本不等式求最值；4.数据分析：利用基本不等式解决实际问题；5.数学建模：利用函数的思想和基本不等式解决实际问题，提升学生的逻辑推理能力。重点：基本不等式的形成以及推导过程和利用基本不等式求最值；难点：基本不等式的推导以及证明过程．
人教A版高中数学必修一诱导公式教学设计（2）
本节主要内容是三角函数的诱导公式中的公式二至公式六，其推导过程中涉及到对称变换，充分体现对称变换思想在数学中的应用，在练习中加以应用，让学生进一步体会 的任意性；综合六组诱导公式总结出记忆诱导公式的口诀：“奇变偶不变，符号看象限”，了解从特殊到一般的数学思想的探究过程，培养学生用联系、变化的辩证唯物主义观点去分析问题的能力。诱导公式在三角函数化简、求值中具有非常重要的工具作用，要求学生能熟练的掌握和应用。课程目标1.借助单位圆，推导出正弦、余弦第二、三、四、五、六组的诱导公式，能正确运用诱导公式将任意角的三角函数化为锐角的三角函数，并解决有关三角函数求值、化简和恒等式证明问题2.通过公式的应用，了解未知到已知、复杂到简单的转化过程，培养学生的化归思想，以及信息加工能力、运算推理能力、分析问题和解决问题的能力。
人教版高中数学选择性必修二变化率问题教学设计
导语在必修第一册中，我们研究了函数的单调性，并利用函数单调性等知识，定性的研究了一次函数、指数函数、对数函数增长速度的差异，知道“对数增长” 是越来越慢的，“指数爆炸” 比“直线上升” 快得多，进一步的能否精确定量的刻画变化速度的快慢呢，下面我们就来研究这个问题。新知探究问题1 高台跳水运动员的速度高台跳水运动中，运动员在运动过程中的重心相对于水面的高度h(单位：m)与起跳后的时间t(单位：s)存在函数关系h(t)＝－4.9t2＋4.8t＋11.如何描述用运动员从起跳到入水的过程中运动的快慢程度呢？直觉告诉我们，运动员从起跳到入水的过程中，在上升阶段运动的越来越慢，在下降阶段运动的越来越快，我们可以把整个运动时间段分成许多小段，用运动员在每段时间内的平均速度v ?近似的描述它的运动状态。
人教版高中数学选修3离散型随机变量及其分布列(1)教学设计
4.写出下列随机变量可能取的值，并说明随机变量所取的值表示的随机试验的结果．(1)一个袋中装有8个红球，3个白球，从中任取5个球，其中所含白球的个数为X.(2)一个袋中有5个同样大小的黑球，编号为1,2,3,4,5，从中任取3个球，取出的球的最大号码记为X.(3). 在本例(1)条件下，规定取出一个红球赢2元，而每取出一个白球输1元，以ξ表示赢得的钱数，结果如何？[解] (1)X可取0,1,2,3.X＝0表示取5个球全是红球；X＝1表示取1个白球，4个红球；X＝2表示取2个白球，3个红球；X＝3表示取3个白球，2个红球．(2)X可取3,4,5.X＝3表示取出的球编号为1,2,3；X＝4表示取出的球编号为1,2,4；1,3,4或2,3,4.X＝5表示取出的球编号为1,2,5；1,3,5；1,4,5；2,3,5；2,4,5或3,4,5.(3) ξ＝10表示取5个球全是红球；ξ＝7表示取1个白球，4个红球；ξ＝4表示取2个白球，3个红球；ξ＝1表示取3个白球，2个红球．
人教版高中数学选修3分类变量与列联表教学设计
一、 问题导学前面两节所讨论的变量,如人的身高、树的胸径、树的高度、短跑100m世界纪录和创纪录的时间等,都是数值变量,数值变量的取值为实数.其大小和运算都有实际含义.在现实生活中,人们经常需要回答一定范围内的两种现象或性质之间是否存在关联性或相互影响的问题.例如,就读不同学校是否对学生的成绩有影响,不同班级学生用于体育锻炼的时间是否有差别,吸烟是否会增加患肺癌的风险,等等,本节将要学习的独立性检验方法为我们提供了解决这类问题的方案。在讨论上述问题时,为了表述方便,我们经常会使用一种特殊的随机变量,以区别不同的现象或性质,这类随机变量称为分类变量.分类变量的取值可以用实数表示,例如,学生所在的班级可以用1,2,3等表示,男性、女性可以用1,0表示,等等.在很多时候,这些数值只作为编号使用,并没有通常的大小和运算意义,本节我们主要讨论取值于{0,1}的分类变量的关联性问题.
人教版高中数学选修3一元线性回归模型及其应用教学设计
1.确定研究对象，明确哪个是解释变量，哪个是响应变量；2.由经验确定非线性经验回归方程的模型；3.通过变换，将非线性经验回归模型转化为线性经验回归模型；4.按照公式计算经验回归方程中的参数，得到经验回归方程；5.消去新元，得到非线性经验回归方程；6.得出结果后分析残差图是否有异常 ．跟踪训练1.一只药用昆虫的产卵数y与一定范围内的温度x有关，现收集了6组观测数据列于表中： 经计算得： 线性回归残差的平方和: ∑_(i=1)^6?〖(y_i-(y_i ) ?)〗^2=236,64,e^8.0605≈3167.其中 分别为观测数据中的温度和产卵数，i=1,2,3,4,5,6.(1)若用线性回归模型拟合，求y关于x的回归方程 (精确到0.1）；(2)若用非线性回归模型拟合，求得y关于x回归方程为 且相关指数R2＝0.9522． ①试与(1)中的线性回归模型相比较，用R2说明哪种模型的拟合效果更好 ?②用拟合效果好的模型预测温度为35℃时该种药用昆虫的产卵数.(结果取整数).
人教版高中语文必修1《小狗包弟》教案2篇
巴金在十年浩劫中的大致经历：放弃包弟并没有换得保全一家人，1968年8月，巴金被关进牛棚改造，随后经受了大字报、挂牌游街等形式的批斗。1970年，到农村改造，掏大粪、喂猪、背稻草、种地……1972年，妻子萧珊在饱受精神折磨后患上癌症，病逝。巴金的儿子在劳动改造的过程中也饱受精神和肉体上的折磨，性格变得内向抑郁，疾病缠身。此时，巴金69岁。巴金曾在《病中》一文写道：“当姚文元拿着棒子的时候，我给关在牛棚里除了唯唯诺诺之外，敢于做过什么事情？十年间我不过是一条含着眼泪等人宰割的牛。”小结：（幻灯片12）社会是病态的社会，政治是高压的政治，人性是扭曲的人性。十年文革，十年浩劫，给多少人留下了累累不可弥合的精神创伤。即使一条小狗，也可能摆脱不了“文革”无情的迫害，比如包弟，比如艺术家邻居的小狗。
中班科学课件教案：里面有什么
2、知道空气是无色、无味的3、在科学活动中，用语言大胆地说出自己的发现准备：1、塑料袋若干2、各种实物，如积木等3、水缸、充气塑料袋过程：1、教师让幼儿摸摸几个塑料袋（其中有积木、空气等）
人教版高中语文必修3《善待生命 学习论证》教案2篇
论证方法之引证法如何用好引证法：1.所引用的名言警句等针对性要强。每句名言都产生于特定的背景，都应用于特定的交际目的，即使谈同一个问题，也有不少名言可供选取。2.要简洁，不宜过多。议论是在发表自己的见解而不是在介绍他人的见解。引用他人的话，目的是为了让读者更加信服自己的话。3.要注意直接引用和间接引用的区别。直接引用务求文字、甚至标点均准确无误；间接引用只须述其大意，但要注意人称的转换。论证方法之喻证法喻证法是用设喻来论证论点的方法。在议论文中，设喻可以使论点更易懂、更风趣、更容易获得读者的认同。喻证法能化抽象为具体、化艰深为浅显、化枯燥为生动。论证方法之喻证法如何用好喻证法：1.以小见大，就近取譬。要精选生活中细小的、人们熟悉的事物做为设喻的喻体。2.喻体不求形似，只求神似。做为喻证的喻体与做为比喻的喻体不同。比喻的喻体是为了强调特征，描绘事物，侧重形似，以形比形；而喻证的喻体是为了阐发观点，以正视听，力求神似，以义取形。
小班数学教案 复习几何图形
【活动准备】 1、小兔手偶一个、魔术袋一个。 2、不同大小、不同颜色的圆形、三角形、正方形若干。 3、纸制小路（上面镂刻不同形状、不同大小、不同颜色的图形）。 【活动过程】 1、创设情境，引起幼儿参与活动的兴趣。 森林里，小兔的房子被大风吹倒了，我们一起帮它造一座房子吧。 2、帮小兔造房子，复习几何图形。 引导幼儿从魔术袋里摸出不同图形，并用摸出的几何图形给小兔造房子，复习圆形、三角形、正方形。
幼儿园小班数学教案 认识图形
[活动准备] 1、图片一幅、纸制小路（上面镂刻不同形状、不同大小的图形） 2、小白兔头饰一个，内装有形状不同的几何图形多个的“魔术箱”一个 [教学过程] 一、以故事形式引出主题 1、讲故事引起幼儿的兴趣 师：小朋友，昨天小白兔打电话给老师，它对老师说：“昨天，森林里刮起了大风，把我的房子都给吹破了（呜…）你能不能帮我造一间新房子呢？”于是，老师就连夜给小白兔造了一间新房子。小朋友，你们看，这新房子漂亮吗？ 2 、出示图片，提问： 师：你们看，老师把房顶盖成什么形状的？ 小：三角形 师：房身呢？ 小：正方形 师：门又是什么形状呢？ 小：圆形 引导幼儿说出三角形、正方形和圆形
扇形统计图教案教学设计
教学目标1、明确扇形统计图的制作步骤，能够根据相关数据较为准确地制作扇形统计图．2、进一步理解扇形统计图的特点，建立百分比大小和扇形圆心角大小之间初步的直观敏感度．3、能够实现不同统计图数据间的合理转换，再次体会几种统计图的不同特点，为合理选择统计图表示数据打下一定的基础．4、通过实例，理解三种统计图的特点，能根据具体问题选择合适的统计图清晰、有效地描述数据．5、在统计活动的过程中，通过相互间的合作与交流，掌握画统计图和选择统计图的方法；经历数据的收集、整理和简单分析、作出决策的统计活动过程，发展统计观念．6、通过对现实生活中的数据分析，感受数学与现实生活的密切联系，说出统计图在现实生活中的应用，提高学习数学兴趣．
新人教版高中英语必修3Unit 1 Festivals and celebrations-Discovering Useful Structure教学设计
4.That was an experience that frightened everyone. →That was _____________________. 答案：1. taking 2. being discussed 3. in the reading room 4. a frightening experienceStep 6 The meaning and function of V-ing as the predicative动词-ing形式作表语，它通常位于系动词后面，用以说明主语“是什么”或“怎么样”一种表示主语的特质、特征和状态, 其作用相当于形容词; 另一种具体说明主语的内容, 即主语等同于表语, 两者可互换。The music they are playing sounds so exciting. 他们演奏的音乐听起来令人激动。The result is disappointing. 结果令人失望。Our job is playing all kinds of music. 我们的工作就是演奏各种音乐。Seeing is believing. 眼见为实。Step 7 Practice1. It is ________(amaze) that the boy is able to solve the problem so quickly.2. Buying a car is simply _______(waste) money. 3. Please stop making the noise—it’s getting ________(annoy). 4. complete the passage with the appropriate -ing form.La Tomatina is a festival that takes place in the Spanish town Bunol every August. I think many food festivals are __________ because people are just eating. however, this festival is _________ because people don't actually eat the tomatoes. Instead, they throw them at each other! the number of people ________ part in this tomato fight, can reach up to 20,000, and it is a very __________ fight that lasts for a whole hour. The _______ thing is how clean Bunol is after the tomatoes are washed away after the fight. this is because the juice form tomatoes is really good for making surfaces clean!答案：1. amazing 2. wasting 3. annoying4. boring interesting taking exciting amazing
新人教版高中英语必修3Unit 1 Festivals and Celebrations-Reading and Thinking教学设计
The topic of this part is “Discover the reasons for festivals and celebrations.The Listening & Speaking & Talking part aims at talking about the experiences and feelings or emotions about the festivals and celebrations. This section aims at detecting the reason why the people celebrate the festivals, the time, the places, the types and the way of celebrations. It also explains why some traditions in the old celebrations are disappearing, like the firecrackers in the big cities and some new things are appearing like the prosperity of business or commerce. 1. Students can talk about what festivals they know and the reasons and the way of celebrating them.2. Students should learn the reading skills such as the headline and get the topic sentences, the structures of articles.3. Students can understand the past, the present situation of some festival around the world and why there are some changes about them. 4. Students can have the international awareness about the festivals.1. Students should learn the reading skills such as the headline and get the topic sentences, the structures of articles.2. Students can understand the past, the present situation of some festival around the world and why there are some changes about them.Step 1 Lead in---Small talkWhat festival do you like best ? Why ?I like the Spring Festivals because I can set off the fireworks, receive the lucky money and enjoy the Gala with my families.Step 2 Before reading---Pair workWhy do people celebrate different festivals ?The Spring Festivals is to celebrate the end of winter and the coming of spring and new life.The Mid-autumn Day is to celebrate the harvest and admire the moon.
新人教版高中英语必修3Unit 1 Festivals and Celebrations-Reading for writing教学设计二
Step 3 Analyzing article structureActivity 31. Teachers raise questions to guide students to analyze the chapter structure of this diary and think about how to describe the festival experience. (1)What should be included in the opening/body/closing paragraph(s)?(2)How did the writer arrange his/her ideas?(3)What kind of interesting details did the writer describe?(4)How did the writer describe his/her feelings/emotions during the event?2. Students read and compare the three sentence patterns in activity 2. Try to rewrite the first paragraph of the diary with these three sentence patterns. After that, students exchange corrections with their partners. Such as:●This was my first time spending three days experiencing the Naadam Festival in China’s Inner Mongolia Autonomous Region and it was an enjoyable and exciting experience. ●I'll never forget my experience at the Naadam Festival because it was my first time to watch the exciting Mongolian games of horse racing, wrestling, and archery so closely. ●I'll always remember my first experience at the Naadam Festival in China’s Inner Mongolia Autonomous Region because it was so amazing to spend three days witnessing a grand Mongolian ceremony. Step 4 Accumulation of statementsActivity 41. Ask the students to read the diary again. Look for sentences that express feelings and emotions, especially those with the -ing form and the past participle. Such as:● …horse racing, wrestling, and archery, which are all so exciting to watch. ● some amazing performances● I was surprised to see…● I was a little worried about. . . ● feeling really tiredOther emotional statements:●I absolutely enjoyed the archery, too, but the horse races were my favourite part. ●I'm finally back home now, feeling really tired, but celebrating Naadam with my friend was totally worth it. ●He invited me back for the winter to stay in a traditional Mongolian tent and cat hot pot. I can’t wait!2. In addition to the use of the -ing form and the past participle, the teacher should guide the students in the appreciation of these statements, ask them to memorize them, and encourage them to use them reasonably in writing practice.
新人教版高中英语必修3Unit 3 Diverse Cultures-Discovering Useful Structure教学设计
Step 4 PracticeRead the conversation. Find out which words have been left out.Justin: Linlin, I’m going to Guizhou Province next month. I’m super excited! Any recommendations for places to visit?Linlin: Wow, cool! Guizhou is a province with a lot of cultural diversity. Places to visit...well, definitely the Huangguoshu Waterfall first.Justin: What’s special about the waterfall?Linlin: Well, have you ever heard of the Chinese novel Journey to the West ?Justin: Yes, I have. Why ?Linlin: In the back of the waterfall, you will find a cave, which is the home of the Monkey King.Justin: Really? Cool! I’ll definitely check it out.Linlin:And I strongly recommend the ethnic minority villages. You’ll find Chinese culture is much more diverse than you thought.Justin:Sounds great, thanks.Answers:Justin: Linlin, I’m going to Guizhou Province next month. I’m super excited! Do you have any recommendations for places to visit?Linlin: Wow, that’s cool! Guizhou is a province with a lot of cultural diversity. What are some places to visit in Guizhou ? Well, definitely the Huangguoshu Waterfall is the first place to visit in Guizhou Province.Justin: What’s special about the waterfall?Linlin: Well, have you ever heard of the Chinese novel Journey to the West ?Justin: Yes, I have heard of the Chinese novel Journey to the West . Why do you ask if I have heard of the Chinese novel Journey to the West?Linlin: In the back of the waterfall, you will find a cave, which is the home of the Monkey King from Journey to the West.Justin: That’s really true? It’s Cool! I’ll definitely check it out.Linlin:And I strongly recommend the ethnic minority villages on your trip to Guizhou Province. You’ll find Chinese culture is much more diverse than you thought it was.Justin:This all sounds great, thanks.
新人教版高中英语必修3Unit 3 Diverse Cultures-Reading for Writing教学设计
The topic of this part is “Describe a place with distinctive cultural identity”.This section focuses on Chinese culture by introducing Chinatown, whose purpose is to show the relationship between the Chinese culture and American culture. The Chinese culture in Chinatown is an important part of American culture. Chinatown is an important window of spreading Chinese culture and the spirit homeland of oversea Chinese, where foreigners can experience Chinese culture by themselves.Concretely, the title is “Welcome to Chinatown!”, from which we can know that the article aims at introducing Chinatown. The author used the “Introduction--Body Paragraph--Conclusion” to describe the people, language, architecture, business, famous food and drinks and people’s activities, which can be a centre for Chinese culture and shows its unique charm.1. Read quickly to get main idea; read carefully to get the detailed information.2. Learn the characteristics of writing and language.3. Learn to introduce your own town according to the text.4. Learn to correct others’ writing.1. Learn the characteristics of writing and language.2. Learn to introduce your own town according to the text.Step 1 Lead in ---Small talkIn the reading part, we mentioned the Chinatown of San Francisco. How much do you know about Chinatown of San Francisco ?Chinatown is a main living place for Chinese immigrants, where you can see many Chinese-style buildings, costumes, operas, restaurants, music and even hear Chinese.Step 2 Before reading ---Predict the contentWhat is the writer’s purpose of writing this text ? How do you know ?From the title(Welcome to Chinatown) and some key words from the text(tourist, visit, visitors, experience), we can know the purpose of the text is to introduce Chinatown and show the relationship between Chinese culture and American culture.
新人教版高中英语必修3Unit 4 Space Exploration-Listening&Speaking＆Talking教学设计二
The themes of this part are “Talk about how to become an astronaut” and “Talk about life in space”. As Neil Armstrong said “Mystery creates wonder and wonder is the basis of man’s desire to understand. Space is difficult for human to reach, therefore, humans are full of wonders about it. However, if wanting to achieve the dream of reaching the Moon, some of our human should work hard to be an astronaut at first. Part A(Talk about how to become an astronaut) is a radio interview in a radio studio, where the host asked the Chinese astronauts about his story how to become an astronaut. Yang Liwei told his dreamed to be an astronaut since childhood. Then he worked hard to get into college at 22. The next 10 years, he gradually became an experienced pilot. At the same time, to be an astronaut, he had to study hard English, science and astronomy and trained hard to keep in good physical and mental health and to practise using space equipment. Part B (Talk about life in space) is also an interview with the astronaut Brown, who is back on the earth. The host Max asked about his space life, such as his emotion about going back the earth, the eating, shower, brushing, hobbies and his work. Part A and Part B are interviews. So expressing curiosity about the guests’ past life is a communicative skill, which students should be guided to learn.1. Students can get detailed information about how Yang Liwei became an astronaut and Max’s space life.2. Students learn to proper listening strategy to get detailed information---listening for numbers and taking notes.3. Students can learn related sentences or phrases to express their curiosity like “ I wish to know...” “I’d love to know...”4. Students can learn more about the space and astronauts, even be interested in working hard to be an astronaut
新人教版高中英语必修3Unit 4 Space Exploration-Reading and Thinking教学设计二
The theme of this unit focuses on “space exploration.” Students will learn about the training and experience needed to become an astronaut. The text is mainly about the development of space exploration. On the one hand, the text helps students to have a good understanding about the great feats humans have achieved, on the other hand, they will further understand the contributions that we Chinese have achieved, and feel confident and proud about our homeland and strengthen their love for our country. The teacher should instruct students to aim high and study harder to make great progress in the space career if possible.1. Read about the development and value of space exploration.2. Explore the mysteries of the universe and the achievements in space exploration.3. Skillfully use the vocabulary of this text to cultivate self-study ability 4. Develop cooperative learning ability through discussion.1. Enable the Ss to talk about the development and value of space exploration.2. Guide the Ss to summarize the main idea of each paragraph as well as the main idea of the text.3. Help Ss comprehend the main reasons for space exploration. Multi-media, textbook, notebooks.Step 1: Warming up and predictionLook at the title and the pictures of the text and predict what the text will be about?2. What are the main reasons for space exploration?
