Unit 2 Grammar课件 2025-2026学年沪教版（2024）英语八年级上册

Contact Us Unit 2 Amazing numbers Cardinal numbers & ordinal numbers Grammar Learning objectives 1. Convert 10 given cardinal numbers into the correct ordinal number forms. 将给定的基数词转换为正确的序数词拼写形式。 2. Read out two given numbers over one million and convert a large number words into Arabic numerals. 能够准确读出百万以上的数字，同时能够将英文形式的大数字写成阿拉伯数字。 3. Use cardinal numbers and ordinal numbers appropriately in a "Class Birthday Survey"activity and present the results with graphs and different types of numbers. 在“班级生日调查”活动中，使用正确的基数词和序数词进行问答，并使用图表和各类数字展示调查结果。 Lead-in Hi, Jane. Did you see the drone show during the 45th anniversary celebration of Shenzhen? Of course! It was the best drone show I’ve ever seen! Yes, it was! Do you know how many drones were there in the show? I don’t exactly know the number. Let’s watch the vedio and see how many. Lead-in Please write down the numbers you hear. 老师要求学生讲听到的数字写下来。 Lead-in What numbers did you hear? 12,000 20 million 45th Lead-in From the numbers like 20 million people, 45th anniversary and 12,000 drones, we can tell the show is ______________. amazaing/impressive/ incredible Can you divide the three numbers into two groups? Cardinal numbers: 20, 12,000 Ordinal numbers: 45th Where can we see these numbers in our daily life? Contact Us Observe and analyse Cardinal numbers in our daily life age clock remote control licence plate room number calendar jersey We use cardinal numbers to count things. 1. When we read out numbers, we do not add -s to the words hundred, thousand, million, and billion. Let’s read cardinal numbers Observe and analyse 2. We put and between hundred and ten. P25 3. How to read large numbers: Let’s read cardinal numbers Observe and analyse P25 xxx, xxx, xxx, xxx thousand million billion 22,222 twenty-two thousand two hundred and twenty-two 2,222,222 two million two hundred and twenty-two thousand two hundred and thirty-three 2,222,222,222 two billion two hundred and twenty-two million two hundred and twenty-two thousand two hundred and twenty-two Contact Us Observe and analyse Ordinal numbers in our daily life Dec. 25th the first tallest ...the 3rd... the third bird We use ordinal numbers to show the order of things. Let’s read ordinal numbers Observe and analyse P25 1. We form most ordinal numbers by adding -th to the cardinal numbers, except first, second and third. 2. For numbers of 21 and above, the ordinal number is formed based on the last digit. (21st, 22nd, 23rd, etc.) Practice Drones can help humans do many things. It can help measure the length of rivers. Yes. It can also help measure the height of mountains. Let’s take a look at the rivers in the world. The Team Practice Asia The Yangtze River 6,300 km What’s the third longest river in the world?  It’s the Yangtze River in Asia. How long is it? It’s about six thousand three hundred kilometers long. The Team Practice South America The Amazon River 6,480 km Africa The Nile River 6,671 km A: What’s the first/ second longest river in the world? B: It’s ___________in __________. A: How long is the river? B: It’s________________long.   Pair work The Team Practice Asia The Yangtze River 6,300 km South America The Amazon River 6,480 km Africa The Nile River 6,671 km The Nile River in Africa is the first longest river in the world. It’s about six thousand six hundred seventy-one kilometers long. Practice Qomolangma is the_____highest mountain in Asia. It’s___________________________________________meters high. _______________mountain in Asia is Qogir. It’s________________ _____________________________. Kanchenjunga is_____________________________________. It’s____________________________________________________. first eight thousand eight hundred and forty-eight point eight six The second highest  eight thousand six hundred and eleven meters high  the third highest mountain in Asia eight thousand five hundred and eighty-six meters high P26 Introduce the mountains Practice P26 The tallest mountain in... is ... It is ... metres high. ... is the second -highest mountain in... Work in pairs. Introduce the mountins in North America and in African. Pair work Critical thinking  Numbers allow us to measure, compare, and describe the physical world with precision. They can be strong supportive evidence. What roles do these daily numbers play? Application My birthday is on January 23, 2012. August 26, 2025 is the day of Shenzhen's 45th anniversary celebration. When is your birthday, Bob? Yes. What about you? So you are now 13 years old. I’m 14 now. My birthday is on September 13, 2011. I’m older than you! I'm curious about how old everyone in our class is. We can do a survey. Application Conduct a survey on the birthdays of the team members and then present the findings using graphs. Group work bar graph (numbers) pie graph (percentage) line graph (change) Category Option Count Percentage Age 12 % 13 % 14 % Year quarter of your birthday the first quarter % the second quarter % the third quarter % the fourth quarter % Members Total Step 1 Team leader asks the question, others answer the questions. Note-taker fills in the chart. Step 2 Create two graphs to show the distribution of student ages and their birthday quarters. Which graph can better show your results? Application Group work bar graph (numbers) pie graph (percentage) line graph (change) There are _____ students in my group. As it is shown in the _____ graph, _____ students are _____ years old. They account for______ percent of the group. _____ students are _____ years old and they account for _____ percent of the group. Most of the students in the group are _____ years old. ... graph shows that ... students’ birthdays fall in the first quarter. They account for... Conduct a survey on the birthdays of the team members and then present the findings using graphs. Step 3 Present a report on the survey findings. Summary Cardinal number Ordinal number Meaning Represents quantity or count. Represents position or rank in a sequence. Function Answer the question “How many?” Answers the question “Which one?” or “In what order?” Form Basic numbers: one, two, three, four, five... Usually adds “-th”, “-st” “-nd”: first, second, third, fourth, fifth... Usage Use for counting and stating an amount. e.g. Do you live in Room 404 in Xinhua Hotel? There are five people in my family. She is five years old. We need ten more chairs. Use for ordering and sequencing items. e.g. This is my first time visiting London. Her birthday is on the twenty-second of May Our office is on the fifth floor. He finished in the second place in the race. Exit ticket 1.请将下面基数词转换成序数词（写出英文和阿拉伯数字两种形式）。 4 fourth _4th_ 8 ______ _______ 9 ______ ________ 40 ______ ______ 12 ______ ______ 21 ______ _______ 33 ______ ________ 95 ______ _______ 2.请将下面数字的英文读法写出来。 1,234,567,890 _____________________________________________________ 3.请将下面英文数字的阿拉伯形式写出来。 one million eight hundred and eighteen thousand one hundred and eighty-one _________________________ 4.翻译句子：我们组共有6人。有两人的生日在第三季度。占比33%。 _______________________________________________________________________________________ Must-do task ◍Finish the grammar exercise on practice sheet. Optional task ◍Write a report on the birthdays of your team members. The report are expected to show the distribution of student ages and year quarters their birthdays are in. Homework Thank you! Must-do task 1. There is a yoga centre on the ____________(8) floor of the building. 2. Canton Tower is in Guangzhou and it is six__________(hundred) metres tall. 3. Last Friday was the man's ____________(40) birthday, but he forgot it. 4. At the weekend, ____________(thousand) of people come to the beach to have fun. 5. It is said that ____________(13) is an unlucky number in Western countries. 6. They moved to Hong Kong in the early ____________(20) century. 7. The old man caught a big fish on his ____________(85) day in the sea. 8. The Mid-Autumn Festival is on the ____________(15) day of the eighth lunar month. eighth hundred fortieth thousands thirteen  twentieth eighty-fifth fifteenth 一、用括号内数字的正确形式填空。 Must-do task 1. 我已经破解了两个谜题，现在我准备解第三个。 I have solved two puzzles, and now I'm ready to solve __________ __________ __________. 2. 大约有两万人居住在这个镇上。 There are about __________ __________ people living in the town. 3. 会议上三分之二的人同意了这个计划。 　_________ _________ of the people at the meeting agreed to the plan. 4. 我们学校90%的同学来自深圳。 _________ percent of the students in our school come from Shenzhen. 5. 这座宫殿有五百多年的历史。 The palace has a history of more than _________ _________ years. 6. 老师要求我们复习前三课。 The teacher asked us to go over _________ _________ _________ _________. the third one twenty thousand Two thirds Ninety five hundred the first three lessons 二、根据中文完成句子。 Must-do task 7. 乞力马扎罗山大约5895米高。 Mt. Kilimanjaro is about _________ _________ _________ _________ _________ _________ metres high. 8. 数百万年前，恐龙统治着地球。 Dinosaurs ruled the Earth _________ _________ years ago. 9. 这本书的第十八章谈论了这个著名的理论。 　 _________ _________ chapter of the book talked about the famous theory. 10. 俄罗斯的国土面积大约一千七百万平方公里。 Russia has an area of about _________ _________ square kilometres. five thousand eight hundred and ninety-five millions of The eighteenth seventeen million Must-do task Hello, everyone. I am Amy. I have a big family. There are _________(sixth) people in my family. I study in Grade _________(ninth) in No.9 Middle School. I’m not smart, but I study hard. I have _________ (eighth) lessons every day and I often have lunch after my _________ (five) lesson. Among all the subjects, I like English best. Once I got the_________ (two) prize in an English competition. How time flies! Next Friday is my_________ (twelve) birthday. My parents will hold a party for me. I will invite some friends to my home. I think we will have a good time. My flat is on the ___________ (twenty-two) floor so we can enjoy the beautiful stars on a clear night. six nine eight fifth second twelfth twenty-second 三、用括号内单词的正确形式填空。 null 15124.822 null 5825.321 Wxmm_9020230808 null 3160.82 null 8881.647 null 20192.646 null 11728.953 null 9926.53 $