初中英语Unit 2 Numbers示范课ppt课件
展开Listen t an intrductin abut Shenzhen and fill the numbers in the blanks.
Sme facts abut Shenzhen
Shenzhen was just a fishing twn ____ years ag. In the late 1970s, there were nly several hundred thusand peple, but after __ decades (十年), Shenzhen has becme a large city with the ttal ppulatin f ___________________! And it has becme the main gateway city fr freign travelers. Shenzhen has sme f the tallest buildings in China. Ping An IFC has a wrld-class bservatin deck (观景台), which is ____ meters (_____ feet) in height. Visitrs can enjy the restaurants and the view there. Abut ___ km away, the ____-meter (_____-feet) KK-mall is anther famus building in Shenzhen. Its bservatin deck gives visitrs a gd view f the sea.
20 millin(20,000,000)
Review f numbers
01 23456789
zerne twthreefurfivesixseveneightnine
1011 1213141516171819
teneleven twelvethirteenfurteenfifteensixteenseventeeneighteennineteen
2030 405060708090
twentythirtyfiftysixtyseventyeightyninety
1001,00010,000100,0001,000,0001,000,000,000
ne hundredne thusandten thusanda hundred thusand a millin a billin
twenty-ne thirty-tw…ninety-nine
Shenzhen was just a fishing twn ____ years ag. In the late 1970s, there were nly several hundred thusand peple, but after __ decades, Shenzhen has becme China’s ____________ largest city with the ttal ppulatin f ___________________! And it has becme the main gateway city fr freign travelers. Shenzhen has sme f the tallest buildings in China. Ping An IFC is the wrld’s __________ tallest building and China’s __________ tallest mall, with a wrld-class bservatin deck (观景台) at a height f ____ meters (_____ feet). Visitrs can enjy the restaurants and the view there. Abut ___ km away, the ____-meter (_____-feet) KK100 is the __________ tallest building in Shenzhen and the wrld’s _________________ tallest building. Its bservatin deck gives visitrs a gd view f the sea.
seventh (7th )
20 millin (2,000,000)
furth (4th )
secnd (2nd)
twenty secnd(22nd)
secnd (2nd)
are used t cunt and shw hw many things there are. are used t shw the rder.
Cardinal numbers
Ordinal numbers
Ordinal numbers
Find ut the spelling rules f Ordinal numbers.
ne tw threefur fivesixseveneight nineten
first secndthirdfurthfifthsixthseventheighthninthtenth
eleventwelvefurteenfifteentwenty-nefrty fiftyne hundred five hundredne thusand
eleventh twelfthfurteenthfifteenthtwenty-firstfrtiethfiftiethne hundredthfive hundredthne thusandth
Cardinal numbers & Ordinal numbers
D yu find any spelling rules?
twenty-twentieththirty-thirtiethsixty-sixtiethseventy-seventietheighty-eightiethninety-ninetieth
eighthninth
special change
一、二、三特殊记，词尾字母t、d、d；八去t；九减e；f换ve；遇到整数词，y变为ie；遇到几十几，只变个位就可以。
Cardinal numbers shw the rder Ordinal numbers cunt and shw hw many things there are
Cardinal numbers r Ordinal numbers
My birthday was n the ten/tenth f May. The ppular Japanese restaurant is n the three/third flr f the mall.We are learning Unit tw/secnd this week. There are frty/frtieth students in ur class. Amazn river is the tw/secnd lngest river in the wrld. The first class in the mrning begins at eight/eighth.
The secrets f numbers
Find ut hw t use rdinal numbers.
September is the _____ mnth f a year. Tday is the __________ f March and the daytime will be as lng as the nighttime. Lessn eight is the ______ lessn.
We usually put ______ befre rdinal numbers.
twenty-first
At ____, the king thught the ld man asked fr t little.
Jhn has tw apples and he asks his mum t give him a _____ ne, but the third ne is a bad ne.
Lucy is 14 years ld, and next mnth she will celebrate her ________ birthday.
In sme special situatins, “the” is nt used befre Ordinal numbers:
I can’t affrd a new car, s I bught a ______-hand ne.
2) When it means anther ne, we put “a” befre it: e.g. a third ne.
3) When it fllws “ne’s” : e.g. her fifteenth birthday, Jhn’s third child
In fixed phrases: e.g. at first, secnd-hand
Secret 3 – fractins (分数)
0.25 is ne ______.
We use cardinal number and rdinal number t express a fractin: _______________ 1/3：2/3: 1/4: 3/4:
three furths
Cardinal number
Ordinal number(s)
= a quarter
What abut ½?
= three quarters
Read mre infrmatin abut Shenzhen and find ut the mistakes in the use f numbers.
Shenzhen has a ppulatin f thirteen millin, fur hundred and furty thusand. (13,440,000)2. Almst tw third f the peple in Shenzhen are nt lcal. 3. August, twenty-six is called the birthday f Shenzhen because n that day, Shenzhen became the first special ecnmic zne (经济特区) in China. 4. Shenzhen Metr came t use in 2004. Shenzhen is fifth city that has metr system in China. 5. In 2019, Shenzhen ranked (排名) nineth in the tp fifty-tw Internatinal Financial Center (国际金融中心) list.
twenty-sixth
Play With numbers
Hw much shuld I pay fr my breakfast?
Twenty-seven plus eight equals/is thirty-five.
Add twenty-seven and eight. Yu will get thirty-five.
I had 100 yuan befre I bught breakfast. Nw hw much mney d I have?
One hundred minus thirty-five equals/is sixty-five.
Subtract thirty-five frm ne hundred. Yu will get sixty-five.
Eight multiplied by tw equals/is sixteen.
Multiply eight by tw. Yu will get sixteen.
A dughnut is 8 yuan and a cupcake is twice (两倍) as expensive as a dughnut. Hw much is a cupcake?
I bught 9 cupcakes fr me and anther tw friends. If each f us wants t have the same number f the cupcakes, hw many cupcakes can each f us have？
Nine divided by three equals/is three.
Divide nine by three, and yu will get three.
Furteen plus twenty-six equals _____.
Tw hundred and fifteen minus fifty equals ______________________.
Multiply tw thusand by ne thusand. Yu will get __________.
One divided by fur equals _________________________.
14 + 26 = 40
215 – 50 = 165
ne hundred and sixty-five
2,000 x 1,000 = 2,000,000
1 ÷ 4 = 1/4 (0.25)
ne furth/zer pint tw five
Write a small reprt abut the sprts meeting. Pay attentin t the use f cardinal numbers and rdinal numbers.
On ______________________, the first day f ur sprts meeting, ur class has dne a great jb. Li Hua tk part in _____________________________ . He finished the race in _________________ and he ___________________ t reach the finishing line (终点). Zha Yue __________________________________________________________________________. In the lng jump, Hu Ke jumped as lng as ___________________ and he ranked _______________ in the game. Chen Yi __________________________________________________________________________. Cngratulatins t these students and let’s lk frward t mre gd news tmrrw.
sprts meeting reprt – Day 1
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