(共18张PPT)
人教(PEP)版五年级下册
Part B Let's learn
Unit 4 When is the art show
基数词 序数词 简写
one first 1st
two second 2nd
three third 3rd
four fourth 4th
five fifth 5th
Let's read
When is … birthday
It’s …
Ask and answer
Zhang Peng's birhday
Oliver's birthday
John's birthday
It’s on October ___________.
When is your grandpa's birthday
twelfth/12th
twelfth
(序数词)第十二(的)
简写：12th
Listen and answer
twelve (十二)
It’s on April ___________.
When is your grandma's birthday
twentieth/20th
twentieth
(序数词)第二十(的)
简写：20th
Look and answer
twenty
It’s on November ___________.
When is your dad's birthday
thirtieth/30th
thirtieth
(序数词)第三十(的)
简写：30th
Listen and answer
twenty→twentieth
←thirty
It’s on February ______________.
When is your mum's birthday
twenty-third/23rd
twenty-third
(序数词)第二十三(的)
简写：23rd
Listen and answer
It’s on August ______________.
When is your birthday
twenty-first/21st
twenty-first
(序数词)第二十一(的)
简写：21st
Listen and answer
Listen and imitate
Mon . Tues. Wed. Thur. Fri. Sat. Sun.
1 2 3 4
5 5th 6 6th 7 7th 8 8th 9 9th 10 10th 11
11th
12 13 14 15 16 17 18
19 20 21 22 23 24 25
26 27 28 29 30 31
1st
31st
Look and write
one --- first two --- second three --- third
eight --- eighth nine --- ninth five --- fifth twelve --- twelfth
twenty --- twentieth thirty --- thirtieth forty --- fortieth …
基变序,有规律,末尾加上th。
一、二、三，特殊记，结尾字母t, d, d。
八减t，九去e，f来把ve替。
若是ty作结尾，ty变成tie。
Let's read
若是几十几，只把个位变。
twenty-one --- twenty-first thirty-three --- thirty-third
Test
一、写出下列数字的序数词
one________ two ________
three ________ four ________
five ________ twelve ________
twenty ________ thirty ________
twenty-six ________
twenty-one ________
first
second
third
fourth
fifth
twelfth
twentieth
twenty-sixth
thirtieth
twenty-first
Practice
二、按要求改写句子。
1. My grandma’s birthday is on April 20th .(对画线部分提问)
________________________________________
2. My dad’s birthday is on Nevember 30th.(对画线部分提问)
___________________________________________
3. My birthday is on Angust 21st.(对画线部分提问)
________________________________________
When is your grandma’s birthday
When is your dad’s birthday
When is your birthday
重点词汇
twelfth 第十二
twentieth 第二十
thirtieth 第三十
twenty-third 第二十三
twenty-first 第二十一
Summary
和同伴一起问各自家人的
生日。
Homework
Thank you!
birthday
grandpa's
grandma's
dad's
mum's
Yifan's
twelfth
twenty-first
twenty-third
thirtieth
twentieth
When is...'s birthday
It's on...
Feb. 23rd
Apr. 20th
Oct. 12th
Nov. 30th
Aug. 21st
Unit 4 B Let's learn
