课程内容

三年级英语下册Unit 6《How many?》（2）
Let's talk
Wu Yifan what's this?
My new crayons.
Wow!How many crayons do you have?
Open it and see!
1,2…16.You have 16 crayons!
Let's find out
How many … do you have?
How many rulers do you have?
I have 12 rulers.
How many pencils do you have?
I have 13 pencils.
How many books do you have?
I have 14 books.
How many balls do you have?
I have 11 balls.
Let's learn
How many cars do you have?
We have twenty.
sixteen.
seventeen
eighteen
nineteen
twenty
英语数字
数词：主要分为基数词和序数词两类。
基数词：表示数目的词称为基数词。
其形式如下：
A.从1——10
one,two,three,four,five,sic,seven,eight,nine,ten.
B.从11——19
eleven,twelve,thirteen,fourteen,fifiteen,sixteen,seventeen,eighteen,nineteen.
这里除了eleven,twelve,thirteen,fifiteen,eighteen为特殊形式外，fourteen,sixteen,seventeen,nineteen都是由其个位数形式后添加后缀-teen构成。
C.20
twenty
“几十”添后缀-ty。
thirty  forty  fifty  sixty  seventy  eighty  ninety
Let's chant
How many do you have? How many do you see?
10 and 8 make 18.Can you count with me?
How many do you have? How many do you see?
4 times 5 makes 20.Can you count with me?
Homework
1、在图片、实物或情景的帮助下运用句型询问拥有物品的数量并回答：
How many … do you have? I have…
2、听说、认读数词16-20：
sixteen，seventeen，eighteen，nineteen，twenty
3、听音练习：Let'schant
4、总结数词13-19英文单词的构成规律。