三年级上册英语课件-Unit 6 Lesson 21（1）_北京课改版 (共20张PPT).pptVIP

UNIT6IHAVEFIFTYMARKERSLesson21

Count(数一数)onetwothreefourfive

1+4=?What’soneplusfour?It’sfive.5+

2+5=?What’stwoplusfive?It’sseven.7+

3+6=?What’sthreeplussix?It’snine.9+

1+43+62+5oneplusfourtwoplusfivethreeplussix

Practice:A:What’s…plus…?B:It’s…

A:What’sfiveplustwo?5+2=?B:It’sseven.?A:That’sright.7十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:fifteensixteenseventeeneighteennineteen

13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty12twelveWhat’smissing？

What’snineminusfour?It’sfive9-4=?

What’seightminustwo?It’ssix.8-2

20-10=?A:What’stwentyminusten？B:It’sten.

90-4080-2050-40ninetyminusfortyeightyminustwentyfiftyminusforty

11-6=9-4=7-2=12-8=10-1=14-7=6-4=13-5=897452Questions:1276345

A:What’s…plus/minus…?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。Homework

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