课件31张PPT。Oxford English 8A Module 2 Unit 4 Numbers(GrammarⅠ)Period 4 cardinal
numbers
基数词Task1 To know and read cardinal numbers Read the following numbers. Pay special attention to the stressed syllables(重读音节) as underlined below.Tip: 十位数和个位数之间的连字符“-”不能遗漏,如ninety-eightRead the following numbers. Pay special attention to
the stress(重音) as underlined below. Note the
pauses(停顿) after thousand and million.100 one hundred
200 two hundred
305 three hundred and five
1,000 one thousand
40,189 forty thousand (pause) one hundred and eighty-nine
1,000,000 one million
2,367,982 two million (pause) three hundred and sixty-seven thousand (pause) nine hundred and eighty-twoTips
1、数字后的hundred, thousand , million 后不能加–s。
2、百位数与十位数或个位数之间用and连接。
3、英语中没有“万”和“十万”的说法,都用thousand表示。
4、读数字时,先将数字3位一段自右向左用“,”划分,然后按照三位数的朗读自左向右读出每一段内的数字,并在“,”处自右向左加上单位hundred、thousand、million等。
5、读million、 thousand后稍停顿。Can you read them ?hundredthousand?million1231,12320,230100,1231,123,120ordinal numbers
序数词Task2 To learn to change cardinal numbers into ordinal numbersOrdinal numbersonefirsttwosecondthreethirdfourfourthfivefiftheighteighthnineninthtwelvetwelfthtwentytwentiethninetyninetiethtwenty-onetwenty-first基数词变序数词口诀一、二、三,特殊记;
th从四起;
八加h,九去e; ?
ve要用f替;
整十基数变序数,先把ty变成tie;
要是遇到几十几,前半基数后半序。?Let’s say these ordinal numbers ! It’s the nineth time for him to
go to Beijing .
2. Kitty’s flat is on the twentyth
floor .
3. He is the thirtieth-second to
finish reading the book .
4. My birthday is on the twelveth of
December.
Read and find the mistakes .thirty-secondtwentiethninthtwelfth0.8 9.82 They are decimal numbers(小数). 16.89 Do you know these numbers? Task3 To know and read decimal numbersHere are two decimals. How can we read them?We say each number separately after a decimal point(小数点后的数字单个读)..3 point three
0.3 zero point three
.368 point three six eight
7.145 seven point one four five
36.36 thirty-six point three six0.5Do you know about …?a decimal numbera fraction
/?/分数Task4 To know and read fractionsHere are two fractions. How can we read them?带分数one-secondone-fourththree-fourths分数读法分子读基数,分母读序数,
分子大于1,分母加s,
分子分母中间连上小横线,
带分数,不要忘了读and one-thirdthree-fifthstwo and one-fiftha quarterthree quartersone-fifthMatch and read ABCDEF In pairs, practise saying the following numbers.zero point seven
nineteen point two one
one-fifth
fifty-three point three five
eight and three-fourths
seven-ninths
zero point one six eight
six and a halfA Now try a quiz about numbers. Listen to the recording, and draw a circle around the right answer for each item.Task 5 Feed-back: Listen , circle and write the right numbers 1 80 49 17
2 2.66 26% 5/6
3 ¥75 75% 75°
4 2 32 84
5 21 43 23
6 1/8 0.75 33
7 56 65 66
8 90° 90% 1/9
9 2 1.6 5?
10 9 11 12
11 2565 3881 2566 2881 2565 2881
12 13A 30A 138
13 1.8% 80% 18%
14 ¥15,000 ¥50,000 ¥50,000,000
15 30.5° 13.5° 35°Listen and write the numbers.B. Write the following numbers in English17.___________________ 2. 28______________________
3. 297___________________ 4. 8,431____________________
5. 12th__________________ 6. 21st_____________________
7. 19th___________________ 8. 40th_____________________
9. 0.6____________________ 10. 5.39_____________________
11. 15.71_________________ 12. 235.04___________________
13. 1/4___________________ 14. 2/3______________________
15. 5/9___________________ 16. _____________________ seventeentwenty-eighttwo hundred and ninety-seveneight thousand four hundred and thirty-onetwelfthtwenty-firstnineteenthfortiethzero point sixfive point three ninefifteen point seven onetwo hundred and thirty-five point zero fourtwo-thirds one-fourth/a/one quarter five-ninths seven and one-seventh Summary(小结)We always use numbers in our daily life.QQOctober 14,2015
WednesdayNumber is around us .
It is everyone’s language .Assignment:
1. Read cardinal numbers , ordinal numbers, decimals and fractions on (page60—61)
2. Remember the ordinal numbers on page 60
Can you read them?电话号码、地址中的数字“零”,通常用字母”o”代替zero,两个相同的数字并列在一起时,如5830 8868,可读作five, eight, three, o; double eight, six, eighttelephone number 5896 5727 5830 8868five, eight, three, zero; eight, eight, six, eightfive, eight, three, o; double eight, six, eightsix, o, one, Changxin Roadaddress: 601 Chuangxin Road.five, eight, nine, six; five, seven, two, sevenRead the telephone numbers5895 3360
6650 2371
136 1776 8568
130 2253 69860.8 zero point eight9.82 nine point eight two They are decimal numbers. We say each number separately after a decimal point.(小数点后的数字单个读) 16.89 sixteen point eight nine Do you know these numbers?