Unit 6 I have fifty markers.Lesson 21 - Lesson 22 课件(共59张PPT)

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名称 Unit 6 I have fifty markers.Lesson 21 - Lesson 22 课件(共59张PPT)
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更新时间 2023-12-13 11:25:20

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(共59张PPT)
Unit 6
I have fifty markers.
Lesson 21 - Lesson 22
1. 学习词汇: seventy,eighty, ninety, hundred, blackboard
2. 掌握句型 : Fifty plus ten is sixty.
One hundred minus ten is ninety.
3.语音字母组合 oi 和 oy 的发音以及规则
学习目标
Catalogue
1. Vocabulary
2. Text
3. Practice
4. Summary
Vocabulary
seventy / sev( )nti/ 七十
【例句】My grandma is over seventy now.
我奶奶现在七十多岁了。
【拓展】seven + ty = seventy
Vocabulary
eighty / e ti/ 八十
【例句】There are eighty pages in this book.
这本书有八十页。
【拓展】eight + y = eighty (八十)
Vocabulary
ninety / na nti/ 九十
【例句】This castle has ninety windows.
这座城堡有九十扇窗户。
【拓展】nine + ty = ninety (九十)
Vocabulary
hundred / h ndr d/ 百
【例句】Ninety plus ten is one hundred.
九十加上十是一百。
【拓展】thousand 千
【拓展】hundreds of 数以百计的
Vocabulary
blackboard / bl kb d/ n. 黑板
【例句】Look at the blackboard, pupils.
同学们,请看黑板。
【拓展】black + board = blackboard 黑板
Vocabulary
plus /pl s/ 加(+)
【例句】Two plus five is seven.
二加五等于七。
Vocabulary
minus / ma n s/ 减(-)
【例句】Twenty minus one is nineteen.
二十减一等于十九。
Lesson 21
Listen and say
看黑板上的数字: 50, 60, ____, _____, 90。谁能猜出消失的数字?
很容易。五十加十等于六十。所以缺失的数字是70和80。
1. look at ... 看...
2. on the blackboard 在黑板
3. guess 猜想
4. the missing numbers
消失的数字
5. plus 加(+)
Listen and say
100 减去 10 是90。
做的好!
1. one hundred 100
2. 计算:minus (-)
3. Well done!做的好!
90减去10是80。
所以缺失的数字是80和70。
Listen, look, and learn
Fifty plus ten is sixty. One hundred minus ten is ninety.
Read and write
Lesson 22
Now I can understand
Listen and tick.
Now I can say
计算公式:What is .... plus/ minus...
It’s...
Now I know the sound
oi oil coin join boil noisy
oy boy toy joy
That noisy boy has many toys. The toys give him great joy. Now I can write
Let's chant
Sentences
Sentences
1.Twenty plus ten is thirty. 20加10等于30。
解读:这是用英语表达“……加……等于……”的句型。
举一反三: Thirty plus ten is forty. 30加10等于40。
Fifty plus fifty is one hundred. 50加50等于100。
Sentences
2.One hundred minus ten is ninety. 100减10等于90.
解读:这是用英语表达“……减……等于……”的句型。
举一反三: Twenty minus ten is ten. 20减10等于10。
Fifty minus twenty is thirty. 50减20等于30。
Sentences
Look at the numbers>看黑板上的这些数字:50, 60, ____, ____, 90.
Who can guess the missing numbers 谁能猜到空缺处的数字?
It's easy. Fifty plus ten is sixty. So the missing numbers are seventy and eighty.
很简单。五十加十是六十。所以空缺的数字是七十和八十。
Sentences
One hundred minus ten is ninety. 一百减去十是九十。
Ninety minus ten is eighty. 九十减去十是八十。
So the missing numbers are eighty and seventy. 所以空缺处的数字是八十和七十。
Well done. 做得好。
Sentences
Fifty plus ten is sixty. One hundred minus ten is ninety.
五十加十是六十。一百减去十是九十。
Forty plus twenty is sixty. Seventy plus ten is eighty.
四十加二十是六十。七十加十是八十。
Sentences
A plus B is 100. A minus B is 20.
A加上B 是100. A减去B是20.
A is ______, B is ______.
A是 ______, B 是 ______.
Sentences
A plus B is 90. A minus B is 50.
A加上B 是90. A减去B是50.
A is ______, B is ______.
A是 ______, B 是 ______.
Sentences
A plus B is 70. A minus B is 10.
A加上B 是70. A减去B是10.
A is ______, B is ______.
A是 ______, B 是 ______.
i find nice kite ice找到 漂亮的 风筝 冰
a cat that man猫 那个 男人 flag hat black旗子 帽子 黑色的 That cat is flying a kite. 那只猫在放风筝。Dad, help me find my nice kite.爸爸,帮我找到我的漂亮风筝。
Sentences
Mike and his parents like Chinese food. 迈克和他的父母喜欢中餐。
They often eat in restaurants. 他们经常在餐馆吃饭。
There are all kinds of dishes on the menu, 菜单上有很多种菜品,
but they always order vegetables, fish, meat, and soup.
但是他们总是点蔬菜、鱼、肉和汤。
They sometimes go to fast food restaurants for hamburgers.
他们有时候去快餐店吃汉堡。
Sentences
I’d like some apples.我想要一些苹果。
I’d like a hamburger.我想要一个汉堡包。
I’d like an ice cream.我想要一个冰淇淋。
I’d like some chicken.我想要些鸡肉。
I’d like a glass of water.我想要一杯水。
Sentences
Sentences
1.Twenty plus ten is thirty. 20加10等于30。
解读:这是用英语表达“……加……等于……”的句型。
举一反三: Thirty plus ten is forty. 30加10等于40。
Fifty plus fifty is one hundred. 50加50等于100。
Sentences
2.One hundred minus ten is ninety. 100减10等于90.
解读:这是用英语表达“……减……等于……”的句型。
举一反三: Twenty minus ten is ten. 20减10等于10。
Fifty minus twenty is thirty. 50减20等于30。
3. — What is … plus/minus … ……加/减……等于几 — It’s ….等于……解读:这是 what 引导的特殊疑问句,用来询问几加/减几等于几,
答语一般为“It’s + 基数词.”,或者直接用基数词回答也可以。举一反三:— What’s twenty plus ten 20加10等于几 — It’s thirty.等于30。
Practice
给下列单词选择合适的翻译。
( )1. number A. 和 B. 数字 C. 铅笔
( )2. hundred A. 百 B. 千 C. 万
( )3. thirty A. 二十 B. 三十 C. 十三
( )4. seventy A. 十七 B. 七十 C. 第七
( )5. guess A. 想 B. 喜欢 C. 猜测
B
A
B
B
C
英汉互译
blackboard_______
hundred______
seventy_______
八十________
【答案】
1.黑板 2.一百 3.七十 4. eighty
【答案】1.六加二十等于多少?
2. What’s fifty plus twenty
3.你知道空缺的数字吗?
4.空缺的数字是20.
翻译下列句子1. What’s six plus twenty _____________________2.50+20= ____________________
3. Do you know the missing number _____________________
4. The missing number is twenty. _________________________
拍拍手,读读下面的歌谣。
A plus B is 100. A minus B is 20.
A is 60, B is 40.
A plus B is 90. A minus B is 50.
A is 70, B is 20.
A plus B is 70. A minus B is 10.
A is 40, B is 30.
读读写写
选择填空。
( )1. Look ________ the numbers on the blackboard.
A. on B. in C. at
( )2. ________ can guess the missing numbers
A. What B. When C. Who
【答案】1.C 2. C
( )3. Fifty ________ ten is forty.
A. minus B. plus C. and
( )4. Forty ________ twenty is sixty.
A. minu B. plus C. and
( )5. The missing numbers ________ eighty and seventy.
A. is B. are C. am
【答案】3.A 4.B 5. B
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
One hundred minus forty is sixty.
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
Seventy minus twenty is fifty.
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
Forty plus forty is eighty.
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
Thirty plus forty is seventy.
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
Eighty minus twenty is sixty.
照样子, 计算。
例: Eighty minus twenty is sixty.
___________________________________________
Ninety plus ten is one hundred.
从方框中选出合适的词填空。
1. I have many ________. I can draw pictures with them.
2. He has three ________.
3. My friend Jim has ________ books.
4. Ten ________ twenty is thirty.k.
5. Ninety ________ thirty is sixty.
minus fifty markers
plus erasers
【答案】1. markers 2. erasers 3. fifty 4. plus 5. minus
根据图意做计算, 并写出结果。
1.
2.
3.
4.
5.
【答案】1. twenty 2. sixty 3. eighty
4. thirty 5. ninety
根据单词,选择正确的图片,将其序号填入括号里。
【答案】1.A 2.A
3.B 4.A 5.B
算一算,选择正确的选项,将其序号填在橫线上。
A. sixty B. eighty C. fifty D. ninety
【答案】1.C 2.B 3.D 4.A
相一想,写出所缺的单词。
1. Fifty plus ________ is sixty.
2. One hundred minus ________ is eighty.
3. Thirty plus forty is ________.
【答案】1.ten 2.twenty 3.seventy
Summary
Summary
Unit 6
Lesson 21 - 22
seventy,eighty, ninety, hundred, blackboard, plus, minus
Fifty plus ten is sixty.
One hundred minus ten is ninety.
What is...plus/ minus....
It’s...
字母组合oi
字母组合oy
单词
句型
语音
T
H
A
N
K
S