Unit3 SectionA（3a～3c）教学设计 2025-2026学年人教版英语八年级上册

该初中英语教学设计聚焦形容词和副词比较级及同级比较结构，通过展示生活图片（如不同高度建筑）引导学生回忆旧知，采用“发现-练习-应用”模式，从观察例句归纳规则到真实对话、跨学科拓展，搭建递进式学习支架。 亮点在于情境化与跨学科融合，如用广州与温哥华人口、气候数据对比，分层活动兼顾差异（基础填空到跨学科数据应用），分层作业（A/B/C级）。通过真实数据提升语言能力和思维品质，跨学科结合增强文化意识，为教师提供清晰教学流程和分层资源，助力学生从“学语法”到“用语法”。

课题 Unit 3 Same or Different? Grammar Focus (3a-3c) 学段 初中 年级 八 课型 语法课 课时 3 学科 English 单元 主题分析 本单元的主题属于“人与自我”范畴，涉及“生活与学习”主题群中的“身边的事物与环境”子主题内容，本单元的主题是“相同与差异”，旨在引导学生探讨人与人之间的相似性和多样性。通过比较人物和事物，讨论朋友间是否应该相似或不同，以及个人过去与现在的变化，鼓励学生思考人际关系中的共性与个性，培养他们的批判性思维和社会认知能力，同时促进对多样性的理解和尊重。 文本解读 What:本课是人教版(2024)八年级上册第三单元Same or Different?的第三课时的语法课，本课重点讲解形容词和副词的比较级和同级比较结构，通过真实对话和城市数据对比，帮助学生掌握两者间的差异比较（如"taller than"）和同等程度表达（如"as hard as"）。教学内容涵盖规则变化、不规则形式（good→better）以及如何在人口、气候等实际数据中运用比较结构。 Why:学习比较结构不仅是掌握语言形式，更是培养对比分析能力和逻辑思维。通过比较人物特征和城市差异，学生能更准确地描述世界，提升真实场景中的交际能力。同时，跨学科的数据对比（如广州与温哥华）将语言学习与地理知识结合，增强综合素养。 How:课程采用"发现-练习-应用"的递进模式：先引导学生观察例句、归纳规则，再通过填空和图表练习巩固形式，分层活动（基础操练→真实对话→跨学科拓展）确保不同水平学生都能掌握语法，并在实际交流中灵活运用,将枯燥的语法规则转化为可操作的思维工具，最终实现从“学语法”到“用语法”的跨越。 学情分析 1.学生基本情况 八年级学生具象思维较强，对生活化情境接受度较高，但对纯语法讲解易产生倦怠。课堂观察显示：80%学生能积极参与角色扮演活动，但在独立写作比较句时，35%会出现结构混乱（如"more fast"）。小组合作中，能力较强的学生容易主导对话，需通过角色分工确保均衡参与。 2.已有知识经验 学生已掌握形容词原级的基本用法，对比较级概念有初步接触。通过前测发现：约65%的学生能正确构成单音节词的比较级，但对多音节词比较级（如more colorful）和同级比较结构（as...as）的掌握率仅40%。不规则变化（如better）是普遍薄弱点，错误率高达70%。 3.学习难点预测 双音节词比较级形式判断（如quiet→quieter/more quiet）；同级比较结构中形容词原形的使用（易误用比较级）。 4.教学对策 设计"比较级三步闯关"活动： 第一关：单音节词+er竞赛（快速说出tall-taller）； 第二关：多音节词判断（展示quiet/beautiful，分类more/-er）； 第三关：不规则变化记忆卡配对游戏（good-better配对）。 教学目标 语言 能力 1.Students will be able to correctly form and use comparative structures (-er/more...than, as...as) in spoken and written contexts. 2.Students will expand their descriptive vocabulary (eg, slim, serious, smart) to make meaningful comparisons. 文化意识 1.Students will compare cultural aspects (eg, climate, city sizes) between Guangzhou (China) and Vancouver (Canada), fostering global perspectives. 2.Through discussing individual differences, students will appreciate diverse strengths in teamwork. 思维品质 1.Students will analyze similarities/differences between people, objects, or cities, justifying their comparisons with logical reasoning. 2.Students will categorize adjectives by their comparative forms to internalize patterns. 学习能力 1.Students will learn to extract and compare data from tables (eg, city statistics) to construct accurate comparative sentences. 2.Students will develop strategies to self-correct common errors (eg, "more better" → "better") through guided practice and peer feedback. 教学 重难点 教学重点 The usage of the comparative degree of adjectives and adverbs. 教学难点 Students will explore how comparison language is used in real-world contexts to enhance pragmatic competence. 教学过程设计 教学环节 教师活动 学生活动 设计意图 Step 1 Lead-in Use PPT to display pictures with comparative relations (eg,two buildings of different heights).T:"Which is taller? Can you use 'taller than' to describe the picture?" Guide students to recall previously learned comparative sentences. Observe pictures and make comparative sentences. 通过贴近生活的例子，帮助学生更自然地理解和运用比较级.增强记忆和应用能力。 Step 2 Presentation Work on 3a 1.Students read the sentences in 3a,observe the bold words, and then guide them to summarize the rules for forming the comparative adjectives and adverbs. 2. Teacher explains the rules for forming the comparative forms of adjectives and adverbs,and supplements with the comparative forms of irregular adjectives and adverbs. 3.Let students find more examples in Section A ,and demonstrate how to use the comparative adjective and adverb correctly through example sentences. 1.Students read these sentences, observe and summarize the rules for forming the comparative adjectives and adverbs. 2.Students listen carefully and take notes. 3.Find more examples in Section A. 观察学生通过Grammar Focus的句子能否正确总结和使用比较级的用法，指导学生进行语法知识的梳理。通过学生的自主探究和教师的细致补充，进一步巩固比较级的构成和常见的句型结构特征。 Step 3 Practice Exercises After explaining the knowledge points, the teacher shows some exercises through PPT. 1、 写出下列形容词的比较级。 heavy → funny → good → bad → little → far → expensive → 二、单项选择。 1.Teacher always makes each word on the blackboard so that students can see them . A.clear, easy B.clearly, easy C.clear,easily D.clearly,easily 2.Some day she will become as as the famous writer. A.great B. more greater C.greater D.greatest 3.This question is the first one. I don't know how to answer it. A.as easy as B.as difficult as C.as funny as D.as boring as 4.Many people think eating at home is than eating in the restaurant. A.healthy B.the healthier C.healthier D.healthiest 5.Spring arrives.As you know,the day are getting . A.long B.longer C.longest D.more longer Work on 3b 1.Show the practice 3b, and let students use the words in brackets to write questions and answers. 2.After students independently complete 3b, teacher gives time for students to check each other's work with their partners, to see if there are any word or grammar mistakes. 3.Teacher shows the answers through PPT, leading the students to check together. Work on 3c 1.Teacher shows a comparative chart of data on population, area size,average rainfall per year and etc in Guangzhou, China, and Vancouver,Canada. 2.According to the chart, invite several students to make sentences with comparative degree about Guangzhou and Vancouver. For example:Guangzhou is much larger than Vancouver. 3.Teacher lets students complete the sentences to compare Guangzhou and Vancouver.Use the words in the box and than. 4.Invite several students to share their answers. 1.Students finish the exercises on PPT. 2.Students finish 3b independently. 3.Students check each other's answers. 4.Check the answers together. 5.Learn about the facts about Guangzhou and Vancouver. 6.Students make sentences using comparative degree according to the chart. 7.Students complete 3c. 8.Share answers. 教师通过PPT展示比较级的相关练习，趁热打铁，对刚刚讲解的知识点进行学以致用,强化学生的理解和记忆。 教师观察学生在 自主完成和同伴互查的表现以及对比较级用法的理解和应用，评估他们的参与度和掌握情况。 通过学生的自主探究，进一步总结并巩固比较级的构成和句型结构的常见特征。通过造句和填空任务，增强学生的分析能力和逻辑思维能力，同时巩固比较级的实际应用。同时跨学科的数据对比将语言学习与地理知识结合，增强综合素养。 Step 4 Production 1.Make a chart to compare your parents, you can compare from appearance, personality, habits, strengths and so on. For example: Father Mother smart funny friendly sing well 2.Talk about the chart with your partner,and ask your partner about his/her parents. 1.Make a chart to compare your parents. 2.Talk about the chart ,and ask your partner about his/her parents. 通过教材中两个城市的对比迁移到现实生活中两个人物的对比，触类旁通，锻炼学生的口语输出能力。 Step 5 Summary Teacher leads students to summarize the key points of this grammar class through PPT. Review the relevant knowledge points of comparative degree with teacher. 教师带领学生系统总结语法知识，强化重点，突破难点，帮助学生构建清晰框架，巩固学习成果。 Step 6 Homework Level A:Write 5 sentences about the difference between the present you and the you in primary school using the comparative degree. Level B:Ask and answer questions with a partner about Guangzhou and Vancouver according to the cue words (refer to the example in the textbook). Example: A: Is Vancouver colder than Guangzhou in January? B: Yes, it is.Vancouver is much colder than Guangzhou. Level C:Write a paragraph to compare the climate or culture of your hometown and another city, at least 3 comparative sentence structures.(Prompt words: population, weather,transportation.) Example: "My hometown is smaller than Shanghai, but has more parks. The weather here is cooler in summer, and the people are friendlier..." Level A强化语法规则; Level B结合真实数据，训练信息提炼与问答能力;Level C培养高阶思维，联系实际场景。 板书设计 Unit 3 Same or Different? Grammar Focus (3a-3c) New words:fact; slim; population; average; rainfall; per; pleasant Grammar:the comparatives (1)形容词和副词一般具有比较级结构 (2)比较级的构成:①单音节、双音节、多音节;②规则变化和不规则变化 (3)比较级的用法:①比较级+than;②比较级前可以用副词修饰 (4)比较级表达最高级:当句子中出现(more) than+比较范围(如anything, anyone, any other...)时，常隐含最高级含义。 教学反思 1、 成功之处: 1.情境化教学提升参与度:通过对比广州和温哥华的真实数据学生能将语法知识融入实际语境，避免了枯燥的机械操练。例如，在完成句子“In,area,Guangzhou is ______ (big) than Vancouver”时，学生不仅练习了比较级，还加深了对地理知识的理解。 2.互动形式多样，兼顾个体差异:课堂中结合了个人练习、同桌问答和小组讨论，确保每位学生都有输出机会。例如，在“Use the words to write questions and answers”任务中，学生先独立完成，再与同伴核对答案，教师随后点评典型错误,这种“个体→协作→全班反馈”的模式有效提高了学习效率。 二、存在问题: 1.部分学生语法规则内化不足:尽管设计了分层练习，但仍有少数学生在“as...as”结构中误用比较级（如错误输出“She is as taller as me”）。这表明他们对“原级比较”和“差异比较”的区分仍需强化。 2.时间分配不够合理:前半部分的语法讲解和例句分析耗时较长，导致城市对比任务（Guangzhou VS.Vancouver）未能充分展开,未能达到预期效果。 三、改进措施: 1.针对性强化易错点:增加“纠错练习”：展示典型错误句子让学生合作改正并说明理由; 设计“句型转换”任务，帮助学生灵活掌握两种比较形式。 2.优化课堂节奏，突出重点:缩短语法规则的讲解时间（如用5分钟归纳“-er/more...than”规则，辅以视觉化图表），将更多时间留给应用环节;城市对比任务可调整为“课前预习作业”，让学生提前查阅数据，课堂直接进行问答和讨论。 学科网（北京）股份有限公司 $$