小升初語法-數(shù)詞PPT

小升初語法

數(shù)詞什么是數(shù)詞？數(shù)詞基數(shù)詞序數(shù)詞表示事物數(shù)量或順序的詞叫數(shù)詞?；鶖?shù)詞表示數(shù)量多少的數(shù)詞。巧記基數(shù)詞one1two2three3four4five5six6seven7eight8nine9eleven11twelve12thirteen13fourteen14fifteen15sixteen16seventeen17eighteen18nineteen19twenty20thirty30forty40fifty50sixty60seventy70eighty80ninety90forty-five

45onehundred100onehundredandsixty160onethousand1000onemillion1000000ten101到12分別記，13到19都帶-teen,13thirteen要注意，15fifteen要牢記，18Eighteen少了t，19nineteen別漏e。說到幾十怎么辦，ty來把teen替。加個橫桿幾十幾，and連接一百幾生活中的基數(shù)詞Therearefivepeopleinmyfamily.Iseefoursheepinthepicture.Thevegetablesare_______percentoff.fiftyIt’s_____o’clock.nineThirtyplusthreeis______________.thirty-three30+3=?基數(shù)詞的用法基數(shù)詞1表示具體的數(shù)量，如fourpeople2表示年份，如in20233表示時間，如It’s94表示身高、體重、年齡，如threeyearsold5表示價格，如fifty–fiveyuan6表示數(shù)學(xué)算式的數(shù)，如oneplusoneistwo.Hewonthe_____prizeintherunningrace.firstThebutterflyisonthe_______floor.secondLabourDayisonthe_________.May1st序數(shù)詞表示事物的順序用序數(shù)詞，其前面一般要加定冠詞the。如：onthesecondfloor序數(shù)詞當(dāng)序數(shù)詞有形容詞性物主代詞修飾時，序數(shù)詞前面不用the。如：mytenthbirthday序數(shù)的用法基數(shù)詞1表示順序排序，如Heisthefirst2表示日期的幾日,如Mayfirst3表示幾歲生日，如Mytenthbirthday4表示樓層，如secondfloor序數(shù)詞的寫法一般情況下：基數(shù)詞加-thfour-fourthsixteen-sixteenth變化規(guī)律基數(shù)詞序數(shù)詞1,2,3特殊記，結(jié)尾各是st，nd，rdonetwothreefirst（1st）second（2nd）

third（3rd）變化規(guī)律基數(shù)詞序數(shù)詞8減t，9去e，f來吧ve替，ty要換tie，結(jié)尾需加th。eightninefivetwelvetwentyeighth（8th）ninth（9th）fifth（5th）twelfth（12th）twentieth（20th）變化規(guī)律基數(shù)詞序數(shù)詞如果遇到幾十幾，只變個位就可以。twenty-onetwenty-first（21st）序數(shù)詞縮寫形式：對應(yīng)數(shù)字+末尾的兩個字母

first（1st）second（2nd）third（3rd）eighth（8th）ninth（9th）fifth（5th）twelfth（12th）twentieth（20th）twenty-first（21st）Let’spractice一、在橫線上填寫合適的數(shù)詞，把下面的算術(shù)題補完整

+______=ten2.

______+two=twenty

3._____-

four=eight

4.____÷two=three5.threexfour=_____6.sixty-fifteen=_____7.eightxseven=______8.______÷seven=two

xnine=______10.sixx____=twenty-fourthreeeighteentwelvesixtwelveforty-fivefifty-sixeighteenfourteenfifty-fourfour二、根據(jù)括號中的數(shù)字填寫合適的序數(shù)詞或基數(shù)詞

is____(10)

years

old,

she

is

in

Class____(3)

Grade_____(4).

2.My

birthday

is

on

the_____(9)ofMay.

3.September

is

the_____(9)monthinayear.

boy

is

thinner,

the

_____(1)oneorthe_____(2)one?

are________(18)boysinourclass.tenthreefourninthninthfirstsecondeighteen三、把下列基數(shù)詞改成序數(shù)詞

one_______two________

three________

nine_______fourteen__________twenty___________thirty-five_____________sixty-four_______________

firstsecondthirdninthfourteenthtwentieththirty-fifthsixty-fourth五、根據(jù)實際情況用適當(dāng)?shù)臄?shù)詞填空

1.There

are___________letters

in

English

alphabet.

2.There

are

______days

in

a

week.

3.There

are

_____________hours

in

a

day.

4.There

are_____minutes

in

an

hour.

is

the

_____day

of

a

week.

are_____________days

in

Janu