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人教版新课标小学数学四年级下册数学广角教案2篇
一、初步感知间隔的含义1、请同学们伸出右手，张开，数一数，5个手指之间有几个空格？在数学上，我们把 空格叫做间隔，也就是说，5个手指之间有几个间隔？4个间隔是在几个手指之间？2. 其实，这样的数学问题，在我们的生活中，随处可见。谁能举几个这样的例子3、看图：在画面上我们看到春天桃红柳绿，到处是一派生机勃勃的景象，你们知道吗？3月12日是什么日子，这一天全国上下到处都在植树，为保护环境献出自己的一份力量。 出示图：这里从头到尾栽了几棵树，数一数，它们之间又有几个间隔呢？你发现了什么？谁来说一说？同时板书。4、那你能像这样用一个图表示出来吗？请你们选择一种动手画一画吧！5、汇报：画了8棵树，他们之间有7个间隔数，9棵树之间有8个间隔。……6、你发现植树棵树和间隔数之间有什么规律呢？（自己先想想，再把你的想法和伙伴们互相交流一下）。反馈：谁来说说你的发现？评价：哦，这是你的发现……你还能用一个算式来概括。边板书边说：同学们都发现了从头到尾栽一排树时，植树棵树比间隔数多1，（指表格），也可以写成两端要栽时，植树棵数-间隔数+1，间隔数=植树棵树-1。
人教版新课标小学数学四年级下册运算定律与简便计算教案2篇
二、教学目标1、知识与技能：使学生经历探索加法交换律的过程，理解并掌握加法交换律，初步感知加法交换律的价值，发展应用意识。2、数学思考：使学生在学习用符号、字母表示加法交换律的过程中，初步发展学生的符号感，逐步提高归纳、推理的抽象思维能力。3、解决问题：运用加法交换律的思想探索其他运算中的交换律。4、情感与态度：使学生在数学活动中获得成功的体验，进一步增强对数学学习的兴趣和信心，初步形成独立思考和探究问题的意识和习惯。三、教学重点：理解并运用加法交换律。四、教学难点：在学生已有知识经验的基础上引导学生归纳出加法交换律。五、教学关键：引导学生运用各种不同的表达方法理解加法交换律的思想。六、教学过程（一）情境，形成问题1、谈话：同学们喜欢运动吗？你最喜欢哪项体育运动？李叔叔是一个自行车旅行爱好者，咱们一起去了解一下李叔叔的情况。1、出示李叔叔骑车旅行的情境图。仔细观察这幅图，你从图上知道哪些信息？
人教版新课标小学数学六年级下册数学广角教案2篇
一、创设情境，猜想验证1.猜一猜，摸一摸。一盒粉笔若干支，5种不同的颜色。至少摸几支能保证：（1）2支同色的。（2）3支同色的。（3）4支同色的。2.想一想，摸一摸。请学生独立思考后，先在小组内交流自己的想法，再动手操作试一试，验证各自的猜想。在这个过程中，教师要加强巡视，要注意引导学生思考本题与前面所讲的抽屉原理有没有联系，如果有联系，有什么样的联系，应该把什么看成抽屉，要分放的东西是什么。二、观察比较，分析推理1.说一说，在比较中初步感知。2.想一想，在反思中学习推理。三、深入探究，沟通联系四、对比练习，感悟新知1.说一说。把红、黄、蓝、白四种颜色的球各10个放到一个袋子里。至少取多少个球，可以保证取到两个颜色相同的球？2．算一算。向东小学六年级共有370名学生，其中六（2）班有49名学生。请问下面两人说的对吗？为什么？五、总结评价六、布置作业
人教版新课标小学数学四年级下册三角形教案2篇
3学生探讨结束后让学生代表发言，总结归纳三角形三边的不等关系。学生代表可结合教具演示。教师问：我们是否要把三条线段中的每两条线段都相加后才能作出判断？有没有快捷的方法？（用较小的两条线段的和与第三条线段的大小关系来检验）。4得到结论：三角形任意两边之和大于第三边（电脑显示）。教师问：三角形的两边之和大于第三边，那么，三角形的两边之差与第三边有何关系呢？感兴趣的同学还可以下课继续研究。5巩固练习：为了营造更美的城市，许多城市加强了绿化建设。这些绿化地带是不允许踩的。（电脑动画演示有人斜穿草地的实践问题）。他运用了我们学习过的什么知识？6（1）有人说自己步子大，一步能走两米多，你相信吗？为什么？（由学生小组讨论后回答。然后电脑演示篮球明星姚明的身高及腿长，以此来判断步幅应有多大？）
新人教版高中英语必修1Unit 1 Teenage Life-Discovering Useful Structure教案
（形容词短语most beautiful的构成形式为:副词+形容词，该短语在句中作定语修饰名词bird）④A good friend is someone who makes you really happy.好朋友就是能让你真正高兴的人。（形容词短语really happy的构成形式为:副词+形容词，该短语在句中作宾语补足语）[即学即练]画出下例句中的形容词短语并指明构成形式如:It is less cold today than it was yesterday.构成形式: 副词+形容词（1）Our country is becoming more and more beautiful.（2）The road is long enough.（3）The medicine is good for stomach.三、副词短语（Adverb Phrases）副词短语:指以一个副词为中心构成的短语，在句中的功能相当于副词，可以修饰动词、形容词或副词。常见副词短语的构成形式有:（副词）+副词如: much more beautifully①He did his work here yesterday.他昨天在这里工作。（副词短语here yesterday修饰动词did）②Bill did the work very well.比尔做的这份工作很好。副词短语very well修饰动词did③We are all entirely responsible for our action（副词短语all entirely, 修饰形容词短语responsible for）
新人教版高中英语必修1Unit 2 Travelling Around-Discovering Useful Structure教案
（5）be to do （可以和具体的时间状语连用）①表示按计划、安排即将发生的动作。②用于时间、条件状语从句中，表示“如果要……，想要……”。The students are to meet at the school gate tomorrow. 明天学生们将在学校大门口集会。 If you are to succeed, you must work as hard as possible. 如果你想要成功，比必须努力工作。（6）be about to do （不与具体的时间状语连用） 表示即将要发生的动作。We are about to start. 我们就要出发了。The new school year is about to begin. 新学年开学在即。（7）一般现在时表将来①表示按时间表规定将要发生的动作。常限于表示位置移动的短暂性动词。②在时间、条件或让步状语从句中，用一般现在时表将来。Look at the timetable. Hurry up! Flight 4026 takes off at 18:20. 你看看时刻表，快点！4026次航班的起飞时间是下午6点20分。Jane is in a hurry because the train to the airport leaves in half an hour. 简很匆忙，因为去机场的火车半小时后出发。
新人教版高中英语必修1Unit 2 Travelling Around-Reading and Thinking教案
Good expressions that students can choose to use: help the travelers choose which tour to take1. In my opinion, you could/might choose…, because you prefer to…2. …could be a perfect choice for you, for…3. As far as I am concerned, you would enjoy…, for…4. …would probably suit you, because you enjoy/love/hate doing…Step 5 Passage ConsolidationLanguage appreciation:1. You can then spend three days exploring the rainforest with a local guide and enjoying the plants and animals unique to the rainforest. 在接下来的三天里，您可以在当地导游的陪同下，深入雨林进行探索，欣赏雨林特有的动植物。本句主体结构为spend some time doing sth. 2. Inca builders cut stones to exact sizes so that nothing was needed to hold walls together other than the perfect fit of the stones. 印加的建筑工人将石头切割成精确的尺寸，仅仅凭着石头间的完美契合，即可稳固墙体。本句为so that引导的结果状语从句。nothing与the perfect fit为并列成分; other than在句中意为“除了”。Step 6 HomeworkSuppose you will travel to Peru, write a short essay about your three-day tour plan.
新人教版高中英语必修1Unit 2 Travelling Around-Reading for Writing教案
Is there a clear purpose for the trip? :Does each paragraph have a clear main idea? Does the writer use the present continuous tense for future plans?Does the writer use commas, stops, and question marks correctly? Are all the words spelt correctly?Are all the proper nouns capitalized?Revise your draft according to your partner's comments.Step 5:The summary of how to write a travel plan.旅游计划是一种常见的应用文写作。旅游可分为观光游、文化游、美食游及探险游等不同类型，因此旅游计划也要根据不同的旅游目的进行设计。常规的旅游计划需要明确以下几个方面的问题:Travel planWhen will you leave for？ Where is your the destination?How will you get there?What will you do there?How long will you there?Is there a clear purpose for the trip? 为了提升旅行计划的层级，还需注意以下几个方面的问题:1.每段是否有明确清晰的主题;2.用一般现在时代替一般将来时；3.用更高级的形容词词汇。例如:表达“好”时，不要总用“nice”,我们还可以用“smart, clean, excellent, exciting, beautiful, wonderful, clever, famous, grand”等表达更具有指向性的词汇；4.用更高级的动词词汇。比如:我们可以用“seem stand, lie .get stay, remain, look . sound, become . keep, grow”等代替"be";
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1Welcome Unit-Discovering Useful Structures教案
II Learn the technical terms-2.1. What can be used as “Subject, Object, Predicative, Direct Object, Indirect Object and objective complement” in a sentence?2. What can be used as “adverbial” in a sentence?3. What can be used as “verb” in a sentence?Answers to questions 1-3:1. Nouns, pronouns and appellations can be used as “Subject, Object, Predicative, Direct Object, Indirect Object and Objective Complement”. Besides, adjectives can be used as “Predicative and Objective Complement” in a sentence.2. Adverbs and prepositional phrases can be used as “Adverbial”.3. Verbs with actual meaning can be used as “Verb” in a sentence. Auxiliary verbs alone cannot be used as “Verb” in a sentence.III Learn to recognize the sentence structures.1. SV structure. For Example:(1) A bird flies.S V(2) A monkey jumps.S V(3) A fish swims.S V√ In SV structures, verbs are “intransitive verbs”.2. SVO structure. For Example:(1) A sheep eats grass.S V O(2) They like bananas.S V O(3) He wants candy.S V O√ In SVO structures, verbs are “transitive verbs”.3. SP structure. For Example:(1) This is great.S P (2) He looks well.S P (3) She became a teacher.S P √ In SP structures, Predicatives are formed by “link verbs” and “adjectives or nouns”.√ link verbs: be, become, grow, look, feel, taste, etc.4. SV IO DO structure. For Example:(1) He asked me a question.S V IO DO(2) Danny wrote me a letter.S V IO DO(3) Billy brought Sam a kite.S V IO DO√ In SV IO DO structures, the verbs are transitive and are followed by two objectives – pronouns or nouns as Indirect Objective, and nouns as Direct Objectives.
新人教版高中英语必修1Unit 4 Natural Disasters-Reading & Thinking教案
5. Read to get detailed information about Paragraph 5.Q1. What shows the revival of Tangshan?Q2. How can Tangshan revive itself and get up on its feet again?Q3. In times of disasters, how can we go through it?T: In times of disasters, we should unify, show the wisdom and stay positive.Step 4 Activity 4 Highlighting the theme and reflecting1. Make a summary of the text.2. Further understand the titleQ: After our learning, why do you think the earth didn’t sleep on that night?T: An earthquake happened. The people in the earthquake suffered a lot, and the people outside Tangshan were concerned about the people there a lot.3. Reflect through discussion on what can be learnt after reading.T: Disasters are powerful. Unpreparedness can be deadly. Life is weak, but if people work together to help each other, disasters can be defeated.There is no love from disaster, but we have love in the human heart.Step 5 Assignment How does the writer convey that the earthquake was deadly, and that people were helpless during the earthquake? Try to find some attractive and impressive expressions and note them down.
新人教版高中英语选修3Unit 1 Art教案
[2] An important breakthrough…was… [3] Another innovation was … [4] the emphasis increasingly shifted from…to… [5] New ideas and values gradually replaced… [6] While his paintings still had religious themes… … T: All these expressions serve to show how Western painting has developed. Some of them share similar structure but with varied use of words, which makes the text vivid and more readable. 【设计意图】主题类语言整理有助于学生类化语言应用，提高语言输出的丰富性。处理完文本内容信息后，进入语篇信息处理，进行主题相关的词块归类。引导学生快速阅读，寻找表达相同主题(发展或者艺术)的词和短语，再根据词性、用法和结构进行归类，储备主题相关词汇，丰富语言储备，提升语言素养。 Assignment: Go online to gather more information about Chinese painting and write a short history of it. 【设计意图】结合所学，迁移运用，根据实际语境，进行模仿性运用。在此过程中，学生尝试借鉴已学的语言、内容、语篇结构和写作手法来建构新文本，实现语篇输出，同时关注中西艺术文化的差别，加深对优秀文化的认同，培养文化意识。
新人教版高中英语必修1Unit 1 Teenage Life-Reading and Thinking教案
【教材分析】The topic of this unit is about teenage life, which belongs to the theme context of “humans and oneself”.As teenagers who shoulder the responsibility of “Chinese great dream”, they must fully know themselves, including their strengths, weaknesses and challenges etc. They are supposed to improve themselves continuously and readily study their subjects, and thus foster their strategies and confidence in lifelong studies.This period is entitled the freshmen challenges, which mainly concerns some big challenges for new students in Senior high school. In this period, a teacher should lead students to find out what their challenges are and guide them to figure out how to crack the challenges and better themselves. More importantly, a teacher should instruct students to absorb new language points and appreciate the language. Besides, a teacher must instruct students to acquire some skills concerning reading efficiently and inspire them to talk more about their new school life, especially their new problems and solutions both at school and in life.【教学目标与核心素养】1. Enable students to acquire the basic usage of the new words and expressions concerning the freshmen challenges and learn to use them flexibly.2. Enable students to have a good understanding of the freshmen challenges in the new senior high school which is quite different from junior middle school.3. Develop students’ sense of cooperative learning and individual thinking capability. 4. Develop students’ different learning skills to solve different reading comprehensive problems.
新人教版高中英语必修1Unit 1 Teenage Life-Reading for Writing教案
【教材分析】This teaching period mainly deals with reading for writing a letter of advice. Students are expected to learn the knowledge about how to write a suggestion letter. The teacher is expected to enable students to master some writing skills concerning suggestion letters and learn to write one.【教学目标与核心素养】1. Get students to have a good understanding of how to write a suggestion letter properly.2. Enable students to use some writing skills flexibly.3. Develop students’ writing and cooperating abilities.4. Strengthen students’ great interest in writing discourses.【教学重难点】1. How to enable students to have a good understanding of the skills of writing a suggestion letter2.How to enable students to write a good recommendation letter using some writing skills properly.【教学过程】Step 1: Lead in Begin the class with the lead-in questions: how to write a letter for advice? What kinds of aspects should be included? It is strongly recommended that the teacher should ask students to discuss the topic freely with their partners and brainstorm some ideas concerning the topic. In this way, students can come up with more ideas and avoid being nervous at the beginning of the class.Step 2: Read to discover details concerning advice letters’ writing style.The teacher is expected to ask students to read a letter offering some advice on page 18 silently and then request students to discuss the questions below.
新人教版高中英语必修1Unit 2 Travelling Around–Listening and Speaking教案
无论她说什么都不会对我们的安排有影响。Answers: for, arrangement3) Parents arrange everything for their children and spare no effort to pave the way for their success.父母为孩子安排好一切，不遗余力地为他们的成功铺路。4. extremely adv 极其，非常extreme adj 非常的1) Mary found it extremely difficult to get a job.2) I’m extremely sorry to have troubled you.Answers:玛丽发现找工作极其困难。给你添了麻烦，我十分抱歉。3) It had white-painted tunnels and bright red carriages, and proved _________ (extreme) popular with the public.它有白色的隧道和明亮的红色车厢，结果证明它非常受大众的欢迎。Answers: extremelyExercises1. I am continuing to apply_______ jobs though I have failed several times.2. All this had an _______ (extremely) bad effect on the criminal justice system.3. The invention would have wide ______ (apply) in industry.4. She’s happy with her unusual living _________ (arrange).5. I was banging so loudly that I’m ___________ (amaze) that they didn’t hear me.6. You haven’t changed at all you still look ___________ (exact) the same.7. “Was it what you expected?” “Yes, _________ (definite).”8. He was looking forward to______ (work) with the newPrime Minister. Answers: for extreme application arrangement amazed exactly definitely looking单句写作：1. _______________ (你要说些什么) when you get on the platform to accept the reward?2. Since_____________________(我们为这些事情做好了准备), we have nothing to worry about.
新人教版高中英语必修1Unit 3 Sports and Fitness-Reading and Thinking教案
2. Sort out detailed information about Michael Jordan.（1） Understand the transitional sentence.Q: Which part is about Michael Jordan as a master? Which part is about the example he set?（2） Have the Ss Focus on why Michael Jordan is a master and what good examples Michael Jordan set when they’re reading. And think about these questions as below:Q1: How does the author describe his impressive skills?Q2: How do you understand “time seemed to stand still”?Q3: What does “graceful” mean?Q4. Which sentence do you think best describes his mental strength?Q5. Which words is important in the sentence in describing his mental strength? Why?Q6: How do you understand “unique”?Q7: What can we learn from Michael Jordan?Step 5 Discussing and recommendingRecommend their own living legends of sports.Work in groups to choose your own living legend of sports and give the reasons of your choice. Step 6 HomeworkReview the stories of Lang Ping and Michael Jordan, and try to retell them.
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1Welcome Unit-Discovering Useful Structures & Listening and Talking教案
常跟双宾语的动词有：（需借助to的）bring, ask, hand, offer, give, lend, send, show, teach, tell, write, pass, pay, promise, return等；基本句型 五S +V + O + OC（主＋谓＋宾＋宾补）特点：动词虽然是及物动词，但是只跟一个宾语还不能表达完整的意思，必须加上一个补充成分来补足宾语，才能使意思完整。 判断原则：能表达成—宾语 是…/做…注：此结构由“主语+及物的谓语动词+宾语+宾语补足语”构成。宾语与宾语补足语之间有逻辑上的主谓关系或主表关系，若无宾语补足语，则句意不够完整。可以用做宾补的有：名词，形容词，副词，介词短语，动词不定式，分词等。如：He considers himself an expert on the subject.他认为自己是这门学科的专家。We must keep our classroom clean.我们必须保持教室清洁。I had my bike stolen.我的自行车被偷了。We invited him to come to our school.我们邀请他来我们学校。I beg you to keep secret what we talked here.我求你对这里所谈的话保密。用it做形式宾语，而将真正的宾语放到宾语补足语的后面，以使句子结构平衡，是英语常用的句型结构方式。即：主语+谓语+it+宾补+真正宾语。如：We think it a good idea to go climb the mountain this Sunday.
