三年级英语下册Unit 5公开课课件.ppt

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1、 Unit 5 Plus and minus Sorry,youre wrong.(对不起，你答错了对不起，你答错了）Oh，no.（哦，不）zooLets go to the zoo.动物园里有各种各样的动物动物园里有各种各样的动物,请你请你来数一数各有多少只来数一数各有多少只,好吗好吗?LetLets go to the zoo.s go to the zoo.Count(数一数数一数)onetwothreefourfive1+4=?Whats one plus four?Its five.5+2+5=?Whats two plus five?Its seven.7+3+6=?Whats t

2、hree plus six?Its nine.9+1+43+62+5one plus fourtwo plus fivethree plus six Practice:Practice:A:What A:Whats s plusplus?B:It B:Its s A:Whats five plus two?5 +2=?B:Its seven.?A:Thats right.7十十Questions:Questions:?A:WhatA:Whats eight s eight plus plus five?five?8+5=?8+5=?B:ItB:Its thirteen.s thirteen.A

3、:Thats right.13Questions:Questions:WhatWhats tens ten plus plus four?four?10 +4=?10 +4=?ItIts fourteens fourteen.?ThatThats s rightright.1414十十Questions:Questions:5 54 43 32 21 11516171819 Whatsplus?Its twentytwenty.(20)Questions:Questions:fifteenfifteensixteensixteenseventeenseventeeneighteeneighte

4、ennineteennineteen Sorry,youre wrong.(对不起，你答错了对不起，你答错了）Oh，no.（哦，不）13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty12twelveWhatWhats missings missing？Whats nine minus four?Its five9-4=?Whats eight minus two?Its six.8-220-4=?A:Whats twenty minus four？B:Its sixteen 9-4 8-22

5、0-4nine minus foureight minus twotwenty minus four11-6=9-4=7-2=12-8=10-1=14-7=6-4=13-5=897452Questions:Questions:1276345A:A:WhatWhats s plusplus/minusminus?B:ItB:Its sA:ThatA:Thats right.s right.Sorry,you Sorry,youre wrong.re wrong.Oh,no.Oh,no.Make a conversation设计一份加减法口算试卷设计一份加减法口算试卷,与周与周围同学一起练习英语表述围同学一起练习英语表述.朗读并背诵朗读并背诵Unit 5 Part A.