七年级英语
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七年级英语. Unit 1 Dream homes Grammar( Ⅰ). Say the numbers in English. 0 --- 19. zero --- nineteen. 21 --- 99. twenty-one --- ninety-nine. 20, 30, 40, 50, 60, 70, 80, 90. twenty ……… ninety. Pay attention!. ( 1) –teen 重音在 “ teen ” 上; -ty 重音在单词开头 ;.

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七年级英语

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七年级英语

  • Unit 1 Dream homes

  • Grammar(Ⅰ)


Say the numbers in English


0 --- 19

zero --- nineteen

21 --- 99

twenty-one --- ninety-nine

20, 30, 40, 50, 60, 70, 80, 90

twenty ……… ninety


Pay attention!

(1) –teen重音在 “teen”上;-ty重音在单词开头;

(2) 特殊变化:13/15/18/30/40/80;

(3) 表示“几十几”的数词中有 “-”, 如twenty-two,thirty-five等。


thousand n.千

hundred n.百

111 , 1 1 1 , 1 1 1 , 1 1 1

million n.百万

billion n.十亿


How to read them?

  • 100

  • 1,000

  • 10,000

  • 100,000

  • 1,000,000

  • 10,000,000

  • 100,000,000

  • 1,000,000,000

  • one hundred

  • one thousand

  • ten thousand

  • one hundred thousand

  • one million

  • ten million

  • one hundred million

  • one billion


Pay attention!

读三位以上的数词时,要在十位前加“and”,如十位为0则在个位前加“and”,其他每三位数用”,”隔开;

321

three hundred and twenty-one

6,875

six thousand, eight hundred and seventy-five

634,509

six hundred and thirty-four thousand, five hundred and nine


hundred, thousand, million, billion

  • 1. 当有具体数量时,不能加 “s”和 “of ”。

  • 2. 当表示泛指数量时用以下形式:

hundreds of …

成百上千的/数百的…

成千上万的/数千的…

thousands of …

millions of …

数百万的…

billions of …

数十亿的…


Try to say the numbers

  • A 597

  • B 976

  • C 1,204

  • D 4,978

  • E 5,809

  • F 9,784

  • five hundred and ninety-seven

  • nine hundred and seventy-six

  • one thousand two hundred and four

  • four thousand nine hundred and seventy-eight

  • five thousand eight hundred and nine

  • nine thousand seven hundred and eighty-four


Can you read the numbers?


Listen and get the numbers

  • People from about countries and areas live in the USA.

  • 2. The CN Tower is feet tall.

  • 3. Red Square in Moscow is about square metres in size.

  • 4. France has an area of over square miles.

  • 5. There are about people living in London.

  • 6. Tokyo, the capital of Japan, has over people.

180

1,815

91,000

260,000

8,000,000

13,000,000


Try to write the numbers

five hundred and sixty-seven

  • 567

  • 3,280

  • 10,943

  • 123,456

  • 9,070,811

  • 45,607,760

three thousand two hundred and eighty

ten thousand nine hundred and forty-three

one hundred and twenty-three thousand four hundred and fifty-six

nine million and seventy thousand eight hundred and eleven

forty-five million six hundred and seven thousand seven hundred and sixty


Homework

1. Review the cardinal numbers on P11.

2. Write down ten cardinal numbers and

read them in pairs.


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