Unit 4 When is the art show Part B Let's learn & Look and write 教学课件

(共20张PPT)
When is the art show
Part B
Let's learn & Ask and write
Unit 4
Revision
Ask and answer
Let's read
1st
2nd
3rd
4th
5th
Presentation
Let's learn
点击图片，播放视频
或点击此处播放视频
Yang Mi is an actress.
When is her birthday
It's on September 12th.
简写：12th
twelfth
基数词：twelve
twelfth
基数词变序数词口诀：“基”变“序”有规律，ve要用f替，再加th.
How old is Lu han
When is his birthday
It's on April 20th.
twentieth
twentieth
简写：20th
基数词：twenty
基数词变序数词口诀：“基”变“序”有规律，整十先把词尾y改为ie,再加th.
Is she an actress
When is her birthday
It's on January 30th.
thirtieth
简写：30th
thirtieth
基数词：thirty
基数词变序数词口诀：“基”变“序”有规律，整十先把词尾y改为ie,再加th.
Wang Junkai is a singer.
How old is he
When is his birthday
It's on September 21st.
twenty-first
twenty-
first
简写：21st
基数词：twenty-one
基数词变序数词口诀：“基”变“序”有规律，表示“第几十几”，只变个位就可以。
Sun Yanzi is a pop singer.
She's from Singapore.
When is her birthday
23rd
twenty-third
It's on July 23rd.
twenty-third
简写：23rd
twenty-
third
基数词：twenty-three
基数词变序数词口诀：“基”变“序”有规律，表示“第几十几”，只变个位就可以。
Sum-up
Look and write
Practice
Name Date of birth
Mike March 16th
… …
… …
… …
… …
Group work
Make a survey.
调查组内成员的生日，看哪一组同一月过生日的人数多，则获胜。
Exercise
我会排排序
1._________ 2._________ 3._________
4._____________ 5._________
twelfth
twentieth
twenty-first
twenty-third
thirtieth
Summary
（听、说、认读、写）词汇：
twelfth (12th)
twentieth (20th)
twenty-first (21st)
twenty-third (23rd)
thirtieth (30th)