一年級數(shù)學(xué)上冊第3單元1-5的認(rèn)識和加減法比大小練習(xí)課件新人教版

1～5的認(rèn)識、比大小練習(xí)第三單元：1～5的認(rèn)識和加減法它們各自代表著我們學(xué)習(xí)的1～5各數(shù)，根據(jù)它們各自提供的信息，猜猜它們各是幾？一、回憶舊知，引入練習(xí)一、回憶舊知，引入練習(xí)說：我和它們比，我最小。說：我和它們比，我最大。說：我站在這一組數(shù)的最中間。說：我比長頸鹿小，比小猴大。說：我比長頸鹿大，但比小蝸牛小。一、回憶舊知，引入練習(xí)小猴是11<2

1<3

1<4

1<5小蝸牛是5，5>1

5>2

5>3

5>4一、回憶舊知，引入練習(xí)長頸鹿是31<2<3<4<5

或5>4>3>2>1一、回憶舊知，引入練習(xí)小蝴蝶是21<2<3小獅子是45>4>3一、回憶舊知，引入練習(xí)12345請按照從小到大的順序?qū)懸粚?～5各數(shù)。二、練習(xí)鞏固，深化理解2.有幾頭？1.看數(shù)涂色你還想數(shù)什么？二、練習(xí)鞏固，深化理解

用自己的方式表示出1、2、3、4、5。3.按1～5的順序連線二、練習(xí)鞏固，深化理解４.數(shù)一數(shù)，比一比322>111<2255>22<5二、練習(xí)鞏固，深化理解５.涂一涂，比一比5>43<4考一考你的同桌吧！()和()二、練習(xí)鞏固，深化理解６.填一填2445541331二、練習(xí)鞏固，深化理解７.下一個該涂什么顏色？涂一涂，數(shù)一數(shù)44下一個該涂黃色。二、練習(xí)鞏固，深化理解不一定對，要看籃子里有沒有桃子，再進行判斷。這節(jié)課你有哪些收獲呢？三、全課總結(jié)，暢談收獲團Tiffany，a16-year-oldgirl，wasveryshy.LastSeptember，herbestfriend，Sophie，movedabroadwithherfamilybecauseshehadtocontinueherstudiesinAmerica.Sheevensaidshewouldnotcomebackforatleastafewyears.1“IwasreallysadthemomentIheardthebadnewsandIdidn'tknowwhattodo，”Tiffanyrecalled.“Ishutmyselfinmyroomforawholeweek.ItwasthenthatmyaunttookmetoasportscluboneSaturdayandIsawsomanyyoungpeopleplayingdifferentkindsofsportsthere.Isignedupforabeginner'scourseinvolleyballandsincethenIhavebeenplayingthissport.NowIpracticetwiceaweekthere.ItiswonderfulplayingsportsinthisclubandIhavemadelotsoffriendsaswell.2”Themostbasicaimofplayingsportsisthatyoucanimproveyourhealthevenifyouarenotverygoodatsports.Besides，youcangettoknowacircleofpeopleatyouragewhileplayingsports.3Sinceshejoinedthesportsclub，shehasopenedupherselfandnowshehasbecomeveryactiveandenjoysmeetingandtalkingwithothers.1．It'spoliteforgirlstokisseachotheronthesideoftheface.4．It'snobigdeal.Formostpeople，thatisoneofthereasonswhytheyjoinasportsclub.4Youdon'thavetositdownandtalktostrangers.Yougoinforsportsanditiseasiertounderstandyourpartnersonthesameteam.NowTiffanyisquitepopularwithherfriendsandshehasalsobecomemoreconfident.團圓圓一家在臺灣可受歡迎了。每天，小朋友們排著長隊，等著跟它們合影留念。從“排著長隊”體