江苏省永丰初级中学七年级英语下册 Unit 1 Dream Homes Grammar课件 (新版)牛津版

•1,000
•10,000 •200,000 •1,000,000 •10,000,000 •200,000,000
one million（百万）
ten million
two hundred million 十亿 •1,000,000,000 one billion /thousand million
forty---fortieth sixty---sixtieth
thirty---thirtieth fifty---fiftieth seventy---seventieth ninety---ninetieth
eighty---eightieth
1. Write out the ordinal numbers:
ground
twelfth month of the year. •December is the ________ secondday of the week. •Monday is the _______ first •English is spoken by most people as their _______ language in the USA, Great Britain, Australian, and Canada. twenty-ninth Olympic in 2008 •The Games of the _____________ was held in the city of Beijing. •I’m hungry. I’ve eaten three apples. Would you fourth one? please give me a_______ twenty-first century the •At the beginning of the _____________ world’s population has passed 6 billion. secondone. •He got off this bus and got on a ______
the fourteenth (第14层）floor. 5. We live on _________________
6. Wendy won _______________ the second （第二）prize in the art competition.
今天是 2月20日 1. Today is February the twentieth 2. the twentieth of February
hundred (hundred) There are more than two_________ students in Grade 7. Thousands (thousand) of lives were lost(丧失) __________ in Wenchuang earthquake.
The seventh floor.
4. How many people are there in your family?
基数词 0 ~ 10 zero one two three four five six seven eight nine ten 11~ 19 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20 30 40 …… 100 twenty thirty forty fifty sixty seventy eighty ninety hundred
twelfth
Which floor do you live?
I live on the _______ floor.
eleventh tenth
B2
1. seventh 2. fifteenth 3. fourth 4. second 5. ninth 6. twelfth
ninth eighth seventh sixth fifth fourth third second first
规律四、当有具体数字时， hundred, thousand, million后不加s， 当表示泛指数量时用以下词组 hundreds of, thousands of, millions of
Learning about different countries
1 People from about 180 countries and areas live in New York. 2 The CN Tower is 1,815 feet tall. 3 Red Square in Moscow is about 91,000 square metres in size.在大小上 4 France has an area of over 260,000 square miles. 有……面积 5 There are about 8,000,000 people living in London. 6 Tokyo, the capital of Japan, has over 13,000,000 people.
规律三 • 1000以上的数字，通常用逗号 分隔，从个位开始，三个一组， 第一个逗号读thousand，第2 个读million，第3个读billion. • 1，000，000，000
123 , 456 , 789 , 103
Step1:one hundred and twenty-three billion, Step2:four hundred and fifty-six million, Step3:seven hundred and eighty-nine thousand, Step4:one hundred and three
Rules: 2) 以y结尾的整数,把y变成ie,再加-th.
3) five, eight, nine, twelve的特殊变化
4. More numbers:
21 twenty---first twenty---second
22 39
75
thirty---ninth
seventy---fifth
B1
• 40= forty • 19th = nineteenth • 22nd = twenty – second • 23rd = twenty-third
• 30th= thirtieth
• 100th = hundredth
5. 用序数词填空
seventeenth
1.Uncle Jim will arrive on the _______(17) of June. 4. Her birthday is on the _________________ twenty-third (23) of August.
Practice:
《听读》P9
(A) 1—5 DBBDB (B) 1—5 BDDAC
1. Yes , he does. 2. A 3. No , she is a painter. 4. (1) old , lovely (2) like / love
Let’s say the numbers!
4,056
four thousand and fifty-six
23,813
twenty-three thousand, eight hundred and thirteen
five hundred and sixty-seven thousand, one hundred and ten
序数词
序数词
one ---first three---third five---fifth seven---seventh nine---ninth
two---second
four---fourth
six---sixth
eight---eighth
ten----tenth
twenty---twentieth
Rules: 两位数或两位以上的数,只要 把个位数变成序数词.
ordinal numbers(序数词 )口诀
基变序，有规律，末尾加上th 一、二、三，特殊记，末尾字母t,d,d 八减“t”，九去“e”，
“f” 要把“ve”替，(fifth, twelfth) “ty”全变“tie”， (twentieth,thirtieth,---ninetieth) 要是遇上几十几，只变个位就可以。 （twenty-first)
1st =first 3rd =third 6th = sixth
2nd = second 4th = fourth 8th = eighth
7th=
seventh
rst, second 和third 外,其他 大部分都是由相应的基数次加-th构成的.
37 thirty-seven
基数词规律
一、1—12特殊记， 13—19均以teen结尾, 20—100以内的整10数均以ty结 尾, 二、20以上非整数，书写时要在个 位和十位之间加连字符。
Can you read these large numbers?
•100
one hundred
one thousand（千） ten thousand two hundred thousand
看书 练一练 1.妇女节在3月8日。 2.教师节在9月10日。 3.圣诞节在12月25日到来。
1. Women’s Day is on March the eighth. 2. Teachers’ Day is on the tenth of September. 3. Christmas comes on December the twentyfifth.
3. Write the ordinal numbers:
twenty---- twentieth nine ninth eighth
thirty---- thirtieth
forty-- fortieth fifty--- fiftieth
eight
five
fifth
sixty-- sixtieth
Dream Homes
Grammar II
1. How far is Neil’s town from London?
15 miles.
2. How many rooms does Stephen have in his house?
Eight.
3. Which floor does Anna live on?
567,110
six million, four hundred and twenty 6,425,200 –five thousand,two hundred
规律 4: 每一个单位里面（000,000），百位和十位之间用and 每一个单位里面，只要个位和十位有一个不是0，用and
hundred/thousand/million后 可否加‘s’？