Unit 6 How many?人教版 ( 三年级起点 ) 三年级下册Part B Let's learn Let's chant Let's learn视频Sum-upWarm-up/RevisionPresentationTestHomework● Let's learn● Let's chantWarm-up/Revision sixteen十六【例句】 There are sixteen pencils in my pencil box.我的铅笔盒里有十六只铅笔。Presentation+=sixteen【单词巧记】 six （ 6 ） + teen （青年） = sixteenseventeen十七【例句】 There are seventeen fish in the river. 河里有十七条鱼。seventeenseventeen【单词巧记】 seven + teen= seventeeneighteen十八【例句】 Ten plus eight is eihteen. 十加八等于十八。【单词巧记】 eigh + teen= eighteeneightteeneeghetinnineteen十九【例句】 There are nineteen books on the desk.书桌上有十九本书。【单词巧记】 nine + teen= nineteenI have nineteen apples.I have nineteen banans.twenty二十【例句】 We have twenty desks in the classroom. 教室里有二十张课桌。wtytenHow many childern do you see ？Let's learn点击“ Let's learn” ，跟我一起读吧！视 频Let's learnHow many cars do you have?We have twenty . 10 and 8 makes 18. 十加八等于十八。【详解】 此句中 and 意为“加” , make 意为“等” , 可以用 be 动词 is 来替换。 重点句型【拓展】 plus 也意为“加”， times 意为“乘”。Six and eleven makes seventeen. Seven and eleven makes eighteen. Try 7+11=18Let's chant点击“ Let's chant” ，跟我一起做吧！视 频Let's chantHow many birds do you have? How many birds do you see? Can you count them with me? Test一、给下列句子选择正确的单词。(1) Look ! I have 16 sixteen / fifteen pencils.(2) — How many crayons do you see? — I see 18. eightteen / eighteen (3)— How many kites do you see? — I see 17 seventeen / fourteen. (4)I have 19 nineteen / ninteen yellow rulers.(5)— How many pears do you have? — I have 20 twelve / twenty pears. 二、情景交际。( )1. 你想知道球在哪儿 , 可以这样问 : A.Where is the ball from?B.Where is the ball?( )2. 妈妈告诉你小船在玩具盒里 , 她可以这样说 : A.The boat is in the toy box. B.The boat is in the desk.( )3. 露西想知道地图是不是在书桌上 , 她可以这样问 : A.Where is the map?B.Is the map on the desk?( )4. 你想去开小汽车 , 可以这样说 : A.I want to drive a car.B.I want to put on a cap.BABASum-upsixteen 十六重点词汇seventeen 十七eighteen 十八nineteen 十九twenty 二十重点句型10 and 8 makes 18.十加八等于十八。把你做的数字卡片补充完整吧！（ 1-20 数字卡片）HomeworkThank you!
