Unit2 There are forty students in our class.(Lesson7) 课件（共23张PPT）

精通英语四下
Lesson 7
There are forty students in our class.
eleven
What’s the number after eleven?
twelve
five
ten
fifteen

twenty
?
Tongue twister
Twelve and twenty.
Twelve is twelve, not twenty.
Twenty is twenty, not twelve.
three
thirteen
four
fourteen
five
fifteen
six
sixteen
seven
seventeen
eight
eighteen
nine
nineteen
观察下列数字，你发现了什么规律？
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
巧记数字1-20
1到12 词各异，
一个一个单独记。
后缀“teen”变十几，
thirteen、fifteen单独记，
eighteen只有一个“t”，
这个规律要牢记。
thirteen
thirty
fourteen
forty
fifteen
fifty
sixteen
sixty
seventeen
seventy
eighteen
eighty
nineteen
ninety
观察下列数字，你发现了什么规律？
按从小到大的顺序排序。
seventy-six twenty-four twelve
thirteen eighteen forty
nineteen nine ninety
fifty-one sixteen eighty
What’s … and …?
It’s …
8+12 2. 34+16
3. 27+18 4. 50+5
5. 13+15 6. 48+52
The telephone number is ____.
I take Bus No. ___ to school.
Look at the fire. Call ___.
What’s the time? It’s ____.
My room number is ____.

My telephone number is 13464718660.
My room number is 501.
My student number is 28.
Look at the fire. Call 119.
I take Bus No.209 to school.
Look at my watch. Its 7:20.
How many robots are there?
There are ____robots.
How many kites are there?
There are ____ kites.
How many bananas are there?
There ___ one banana.
How many ___ are there?
There ___ one girl.
New words
number
class
grade
student
teacher
school
find
neighbour
count
only
数字；号码
同学们；班级
年级
学生
老师
学校
找到
邻居；身边的人
数数
仅仅；只有
New sentences
Let’s count from 1 to 29.
Find your neighbours.
How many students are there in your class? There are forty.
How many pencils do you have? We have one hundred pencils
Let’s help children in need.
What’s seven and eight? It’s fifteen.