Unit 6 How many Part B Let’s learn & Let’s chant课件（23张PPT)

(共23张PPT)
2
0
2
2
2021-2022学年度第二学期
人教PEP英语三年级下册
Part B Let’s learn & Let’s chant
Unit Six How many
Let’s sing
Count 1~20
How many dogs do you have
Twenty
How many dogs do you have
Nineteen
How many dogs do you have
Eighteen
How many dogs do you have
seventeen
How many dogs do you have
sixteen
Let’s learn
We have twenty.
How many cars do you have
Let’s learn
six→six+teen
Let’s learn
seven→seven+teen
Let’s learn
eight→eight+teen
×
特殊记忆！
Let’s learn
nine→nine+teen
Let’s learn
two→twelve→twenty
特殊记忆！
基数词
英语中的数词分为基数词和序数词两类。用来表示数目或数量的词是基数词。形式：
1到10：one, two, three, four, five, six, seven, eight, nine, ten.
11到19：eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen.
20到90：twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety.
Language Points
Let’s chant
Let’s chant
How many ... do you have
How many ... do you see
10 and 8 makes 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
Exercises
1. three×six-two= _______ 2. eight×two+two=________
3. nine+ten=_______ 4. five+twelve=________
5. sixteen-five+eight= ______
sixteen
一、算一算，写一写。
eighteen
nineteen
seventeen
nineteen
二、单项选择。
Exercises
( ) 1. _____books do you have
A. How many B. How much C. How
( ) 2. I have thirteen______.
A. pens B. a crayon C. pencil
( ) 3. Eleven and nine makes_____.
A. thirteen B. twelve C. twenty
A
A
C
Summary
熟记下列单词：
sixteen seventeen eighteen nineteen twenty
巩固句型：
How many...can you have
I have...
Homework
Make a short dialogue using the numbers we have learned.