UNIT 6 I HAVE FIFTY MARKERS Lesson 21 课件4

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1、UNIT6IHAVEFIFTYMARKERSLesson21Count(数一数)onetwothreefourfive1+4=?What’soneplusfour?It’sfive.5+2+5=?What’stwoplusfive?It’sseven.7+3+6=?What’sthreeplussix?It’snine.9+1+43+62+5oneplusfourtwoplusfivethreeplussixPractice:A:What’s…plus…?B:It’s…A:What’sfiveplustwo?5+2=?B:It’sseven.?A:That’sright.7

2、十Questions:?A:What’seightplusfive?8+5=?B:It’sthirteen.A:That’sright.13Questions:What’stenplusfour?10+4=?It’sfourteen.?That’sright.14十Questions:543211516171819What’s…plus…?It’stwenty.(20)Questions:fifteensixteenseventeeneighteennineteen13thirteen14fourteen15fifteen16sixteen17seventeen18eigh

3、teen19nineteen20twenty12twelveWhat’smissing？What’snineminusfour?It’sfive9-4=?What’seightminustwo?It’ssix.8-220-10=?A:What’stwentyminusten？B:It’sten.90-4080-2050-40ninetyminusfortyeightyminustwentyfiftyminusforty11-6=9-4=7-2=12-8=10-1=14-7=6-4=13-5=897452Questions:1276345A:What’s…plus/minus

4、…?B:It’s…A:That’sright.Sorry,you’rewrong.Oh,no.Makeaconversation设计一份加减法口算试卷,与周围同学一起练习英语表述.朗读并背诵Lesson21。HomeworkThankyouGoodbye