Unit 3Section A 2a-2d课件2022-2023学年人教版七年级下册英语

Unit 3 How do you get to school? Section A 2a-2d 预习检测 Learn these numbers and find out the rules: one two three four five s six seven eight nine ten eleven 11 twelve 12 13 thirteen 20 twenty 21 twenty-one.…. 14 fourteen 30 thirty 31 thirty-one... 15 fifteen 40 forty 41 forty-one .. 16 sixteen 50 fifty 51 fifty-one.… 60 sixty 61 sixty-one .. 17 seventeen 70 seventy 71 seventy-one... 18 eighteen 19 nineteen 80 eighty 81 eighty-one.… 90 ninety 91 ninety-one 自主学习一 自主学习合作交流 2a Listen and repeat.Then write the correct number next to the word. 84 sixty-one 61 seventy-two 72 105 eighty-four 84 ninety-nine 99 99 200 one hundred and five 105 72 two hundred 200 61 小结： 1:1一12：（记住每个单词） 2:13-19:-teen (thir-,fif-,eigh-) 3:20-90:-ty (twen-,thir-,for-,fif-,eigh-) 4:21—99: 十位 一个位 5:100-900: hundred 个位 6:101-999:hundred and 十位 一个位 G me 数字出现时，同学们应迅速读出。 33 77 51 18 87 96 89 22 68 43 57 自主学习二 2b Listen and complete the chart. How long? How far? How? (minutes) (kilometers) Tom walks 20 minutes 2 kilometers one hour Jane takes the bus and 30 minutes 60 kilometers Listen again.Check your answers in 2b. Listen again and take notes.Then try to retell Tom and Jane's stories by yourself. key words: walk;2km;20 minutes Tom's home is very near to the school.It is about two kilometers. So Tom walks to school every day. Tom It takes about 20 minutes. Jane goes to school by bus and it takes her about one hour and 30 minutes.From her home to school is about 60 kilometers.So she only goes home on weekends. key words: by bus;60km;an hour and 30 minutes Jane Tapescripts Conversation 1 Mary:How do you get home from school,Tom? Tom:I walk. Mary:How long does it take? Tom:It takes about 20 minutes. Mary:Wow!That's quick!How far is it from the school to your home? Tom:Only about two kilometers. Conversation 2 Peter: How do you get home from school, Jane? Jane: I take the bus. Peter: How long does it take? Jane: Oh, about one hour and 30 minutes. Peter: Wow! That's a long time! Jane: Yes, I only go home