Unit 3 第2课时 Explore（教学课件）英语沪教版四年级上册（新教材）

第2课时 Explore 沪教版四年级上册·新教材 Unit Three How do we use numbers? 了解英语中数字、奇偶性、数字的日常使用的表达方式，探索数字渗透进生活的各方各面，进一步把握数字在人们日常生活中发挥的作用。 学习理解 通过认识和区分奇偶数锻炼逻辑分类思维；在加减法运算及其应用实践中增强数学逻辑思维能力；通过提出并解答数量问题，提升在实际场景中分析、解决问题的能力。 应用实践 能积极与同伴交流分享,合作学习;运用英语中对数字的提问方式模拟日常生活交流，把握奇偶、单复数的正确使用，提升自主学习能力。 迁移创新 【核心词汇】 number、odd、even、plus、minus、count、pencil、apple、book、ruler、pen 【核心句型】 1.There are even numbers and odd numbers. 2.Numbers help us count things. 3.加法表达：数字+ 数字=数字 4.减法表达：数字-数字=数字 5.询问与回答数量：How many ...do you/we/they have? 核心知识点 教学目标 Contents Content Lead-in 01 Presentation 02 Practice 03 Summary 04 Homework 05 01. Lead-in Watch a video 02. Presentation number learn the new words Vocabulary Look at the numbers.看这些数字 例 句 odd learn the new words Vocabulary Some numbers are odd.一些数字是奇数 例 句 even learn the new words Vocabulary Some numbers are even.一些数字是偶数 例 句 plus learn the new words Vocabulary We say, “Five plus six equals eleven." 我们说：“5加六等于11.” 例 句 minus learn the new words Vocabulary We say, “Five minus one equals four.” 我们说：“5减一等于4.” 例 句 count learn the new words Vocabulary She counted the coins in her pocket. 她数了数口袋里的硬币。 例 句 pencil learn the new words Vocabulary We have eleven pencils.我们有十一支铅笔 例 句 apple learn the new words Vocabulary You have five apples.我们有五个苹果 例 句 book learn the new words Vocabulary How many books do you have?你有多少本书 例 句 ruler learn the new words Vocabulary How many rulers do you have?你有多少把尺子 例 句 pen learn the new words Vocabulary How many pens do you have?你有多少支钢笔 例 句 number odd even plus minus count pencil apple book ruler pen What do you know about numbers and our lives? What I know What I want to know What I have learnt Numbers are used to count things, like how many apples we have. We use numbers in our daily life, such as in time (like 7 o'clock), money (like 5 yuan), and addresses (like Room 302). There are different types of numbers, like odd numbers (1, 3, 5…) and even numbers (2, 4, 6…). How did people use numbers in ancient times? Are there any special numbers with interesting stories? Numbers play a very important role in our lives. They help us organize and understand the world better. Different cultures may have different ways of using and thinking about numbers. Numbers Numbers How many kinds of numbers can you find? Two. What are they? How can numbers help us? Some are ... and some ... They help us count. Plus “＋” Minus “－” minus odd count odd count minus What do you learn about numbers? ✔ There are ... and ... What do you learn about numbers? ✔ ✔ I have ... How many ...? I have .../We have ... We say, “... plus/minus ...” Listen and chant Learn How many apples do we have? I don’t have ten apples. I have four apples. You have six apples. We have ten! Tick, ask and answer How many books do you have? I have three books. ✔ Tick, ask and answer How many ... do you have? I have ... ✔ Tick, ask and answer How many ... do you have? I have ... ✔ Tick, ask and answer How many ... do you have? I have ... ✔ 03. Practice Language points 询问对方拥有物品的数量的句型及回答: —How many+可数名词复数+do you have? —I have+数词+物品. e.g. (1)How many apples do you have? 你有多少个苹果? I have ten apples. 我有十个苹果。 表达某人拥有某物的句型: 主语+have/has(+数词)+物品 e.g. They have three books. 他们有三本书。 Language points 表达某人没有某物的句型: 主语+don't/doesn't have (+数词) + 物品 e.g. Ningning doesn't have five green pencils. 宁宁没有五支绿色的铅笔。 Numbers from 1 to 20（基数词） 奇数（odd numbers） 偶数（even numbers） 1 3 5 7 9 2 4 6 8 10 one three five seven nine two four six eight ten 11 13 15 17 19 12 14 16 18 20 eleven thirteen fifteen seventeen nineteen twelve fourteen sixteen eighteen twenty 阅读短文， 判断句子正确 （T） 错误（F）： Numbers are very important in our daily life. We use them a lot. First, we use numbers to count. For example, my mommy plans to make a fruit salad and tells me to buy 3 apples and 2 peaches.There’re 5 fruit in all. Numbers are also of two kinds: even and odd. Numbers like 2, 4, 6 are even while numbers like 1, 3, 5 are odd. At a birthday party, numbers help us know how old someone is or how many friends are there.Numbers make our life easy and fun! 1. We can only use numbers to count fruit. 2. Numbers like 7, 9, 11 are even numbers. 3. Number 8 is an odd number. 4. We often use numbers in our daily life. 5. At a birthday party, numbers can help us know how old someone is. F F F T T 1. We use numbers on the clock to know the____. A. phone numbers B. prices C. time 2. How old is your sister? --- A. He’s ten. B. She’s ten. C. I ’m ten. 3. Eleven plus____ equals nineteen. A. seven B. eight C. nine 4. Eighteen minus____ equals three. A. thirteen B. fourteen C. fifteen 5. Seven is___ number, ten is___ number. A. odd; even B. odd; odd C. even; odd C B B C A 04. Summary Summary Words: number、odd、even、plus、minus、count、pencil、apple、book、ruler、pen Sentence: 1.There are even numbers and odd numbers. 2.Numbers help us count things. 3.加法表达：数字+ 数字=数字 4.减法表达：数字-数字=数字 5.询问与回答数量：How many ...do you/we/they have? 05. Homework Homework 基础题：听教材的录音，跟读课文，注意语音语调，复习本课的重点短语。 提高题：描述数字应用： 使用本单元学到的句型（如 We use numbers to..., Numbers help us..., On a [物品], we see numbers for...），结合你选择的词汇，描述数字在这些场景或物品中是如何被使用的。例子:"We use numbers on a clock to tell the time. For example, we see numbers like 7:30 for morning." 拓展题：仿写短文： 模仿课本中描述数字用途的段落或对话，写一段题为 “Numbers Help Us Every Day” (数字每日帮助我们) 的短文 沪教版四年级上册 Thanks for listening！ Blues 38687.32 $