（苏教牛津版）四年级 英语上册课件 Unit 7(18).ppt

2Lets read onetwothree four fivesixseveneightnineten eleven twelve thirteen fourteenfifteen sixteenseventeeneighteennineteen teen读一读,比较一下 teen teen teen teen teen teen13141516171819 twentyfortyfiftysixtyseventyeightyninety读一读,比较一下thirtytytytytytytytytya hundredone hundredtwenty onethirtyfortyfiftyninetythree four fiveeight想一想,说一说看一看,猜一猜,它们是什么数字?读一读,找规律1 one10 ten11 eleven2 two12 twelve20 twenty3 three13 thirteen30 thirty4 four14 fourteen40 forty5 five15 fifteen50 fifty6 six16 sixteen60 sixty7 seven17 seventeen70 seventy8 eight18 eighteen80 eighty9 nine19 nineteen90 ninety想一想,说一说one two hello four five hello seven eight hello 说到三的倍数,就不能说,而要用hello代替.想一想,说一说one two three hello five six seven hello nine ten eleven hello说到四的倍数,就不能说,而要用hello代替.想一想,下面应该是什么数字？one two four eight thirty-twosixteensixty-fourWhats _ and _?Its_.2+3=?2+3=5twothreefiveWhats _ and _?Its_._加_等于_?等于_.twelveeighttwenty12820多少12+23=?7+11=?13+30=?21+39=?40+50=?15+5=?用英语说出下列算式12+23=?7+11=?13+30=?21+39=?40+50=?15+5=?用英语写出下列算式，并写出答案。