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1、Unit 5 Plus and minus,By Shen Ping,65845254,54876521,85632790,36548812,65374810,7:00,11:05,14:15,16:13,20:10,21:20,Whats the time?,17:12,9:00,16:11,3:18,How many can you see? I can see,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty,one eleven two twelve three four five six seve

2、n eight nine ten,thirteen fourteen fifteen sixteen seventeen eighteen nineteen,twenty,t：n ,t,Listen and say the next（后） number.,Listen and say the number before(前）.,PUZZLES:,1, 3, _ , 7, _, _.,10, _,14_,18,_.,11, 13,_,17,_,_,5,9,11,12,16,20,15,19,21,Magic eyes,A: How many can you see? B: I can see .,8,14,10,5,7,12,6,10,15,13,Whatsplus? Its twenty.,11-6=,9-4=,7-2=,12-8=,10-1=,14-7=,6-4=,13-5=,8,9,7,4,5,2,5+5=,12-8=,1+9=,2+9=,3+6=,15-9=,3+7=,8-2=,13+4=,Whats plus ?,Its .,Whats minus ?,Its .,設計一份加減法口算試卷,與周圍同學一起練習英語表述.,Homework,