1. Number

Question 1

Zero
/ˈzɪroʊ/

Answer 1

Số 0

1. Cardinal number
   /ˈkɑrdənəl ˈnʌmbər/
   (Số đếm)
2. Ordinal number
   /ˈɔrdənəl ˈnʌmbər/
   (Số thứ tự)

Question 2

One
/wʌn/

Answer 2

Số 1

IDIOM
1. One By One [Lần Lượt Từng Cái Một]
(first one, then the next, then the next etc)
EX: Addtheeggsone by one

2. One Or Two [Một Vài]
(a few)
EX: We’ve had one or two problems.

3. The One And Only [Duy Nhất]
(used to emphasize that someone is famous)
EX: Here he is, the one and only Van Morrison!

4. One And All [Mọi Người]
(everyone)
EX: Happy New Year to one and all!

5. One And The Same
(used for emphasis to mean “the same”)
EX: I never realized Ruth Rendell and Barbara Vine were one and the same(= the same person using two different names).

6. One After Another/The Other
(usedforsayingthatactionsare done orthingshappenwith verylittletime between them)
EX: Theygotmarriedyoungand had fourchildrenone after another.

Question 3

Two
/tu/

Answer 3

Số 2

1. Put Two And Two Together [Rút Ra Kết Luận]
   (to guess the truth from what you see, hear,…)

2. That Makes Two Of Us [Hai Chúng Ta Là Một]
(I am in the same position or I agree with you)
EX: “I’m tired!”
“That makes two of us!”

3. It Takes Two To Do Something [tại cả đôi bên]
(one person cannot be completely responsible for something)
EX: You can’t put all the blame on him. It takes two to make a marriage.

4. In Two Shakes/ In A Couple Of Shakes [Trong Giây Lát]
(very soon)
EX: We’ll be there in a coupqle of shakes.

5. Be OF/ IN Two Minds About Something/ Doing Something [Phân Vân]
(not be certain about something)
EX: I was of two minds about the book

Question 4

Three
/θri/

Answer 4

Số 3

Question 5

Four
/fɔr/

Answer 5

Số 4

Question 6

Five
/faɪv/

Answer 6

Số 5

1. Give Somebody Five
(to hit the inside of someone’s hand with your hand as a way of saying hello or to celebrate a victory)
EX: Give me five

2. Nine To Five
(the normal working hours in an office)
EX: I work nine to five.
a nine-to-five job

Question 7

Six
/sɪks/

Answer 7

Số 6

1. It’s Six Of One And Half A Dozen Of The Other [không khác gì nhau; kẻ tám lạng, người nửa cân]
(used to say that there is not much real difference between two possible choices)

Question 8

Seven
/ˈsɛvən/

Answer 8

Số 7

Question 9

Eight
/eɪt/

Answer 9

Số 8

Question 10

Nine
/naɪn/

Answer 10

Số 9

1. Nine Times Out Of Ten [Mọi lúc, Thường Xuyên]
(almost every time)
EX: I’m always emailing her, but nine times out of ten she doesn’t reply

2. Dressed To The Nines [Ăn Mặc Đẹp, Hợp Thời Trang]
(wearing very elegant)

3. (Cats/ You/…) Have Nine Lives [Có 9 Mạng Sống]
(especially of a cat) (to be very lucky in dangerous situations)

4. The Whole Nine Yards [tất cả, toàn bộ]
(everything, or a situation that includes everything)
EX: When Dan cooks dinner he always goes the whole nine yards (làm việc một cách đầy đủ), with three courses and a choice of dessert.

Question 11

Ten
/tɛn/

Answer 11

Số 10

1. Ten To One [Cá Chắc]
(very probably)
EX: Ten to one he’ll be late.

Question 12

Eleven
/ɪˈlɛvən/

Answer 12

Số 11

1. At The Eleventh Hour [Đến Lúc Cuối Cùng]
(at the last possible moment; just in time)

Question 13

Twelve
/twɛlv/

Answer 13

Số 12

twelfth
/twɛlfθ/

Question 14

Thirteen
/ˌθərˈtin/

Answer 14

Số 13

Question 15

Fourteen
/ˌfɔrˈtin/

Answer 15

Số 14

Question 16

Fifteen
/ˌfɪfˈtin/

Answer 16

Số 15

Question 17

Twenty
/ˈtwɛnti/

Answer 17

Số 20

twentieth
/ˈtwɛntiəθ/

Question 18

Twenty-one
/ˈtwɛnti wʌn/

Answer 18

Số 21

Twenty-first
/ˌtwenti ˈfɜrst/

Question 19

Thirty
/ˈθərt̮i/

Answer 19

Số 30

thirtieth
/ˈθərt̮iəθ/

Question 20

Forty
/ˈfɔrt̮i/

Answer 20

Số 40

Question 21

Fifty
/ˈfɪfti/

Answer 21

Số 50

Question 22

Sixty
/ˈsɪksti/

Answer 22

Số 60

Question 23

a/one hundred
/wʌn ˈhʌndrəd/

Answer 23

Số 100

1. hundreds of…
EX: hundreds of miles away

2. The Hundreds
(the numbers from 100 to 999)

3. The… Hundreds
(the years of a particular century)
EX: the early nineteen hundreds (= written “early 1900s”)

Question 24

101

Answer 24

A/one hundred and one

Question 25

Two hundred **/tu ˈhʌndrəd/**

Answer 25

Số 200

Question 26

one thousand **/wʌn ˈθaʊzənd/**

Answer 26

1000 (một nghìn)

Question 27

one million **/wʌn ˈmɪlyən/**

Answer 27

1,000,000 (một triệu) ## Footnote **One In A Million [Một Người/Vật Đặc Biệt]** *(a person or thing that is very unusual or special)* Ex: He's one in a million.

Question 28

One billion **/wʌn ˈbɪlyən/**

Answer 28

1 000 000 000 (một tỷ)

Question 29

**CẢ SỐ ĐẾM VÀ SỐ THỨ TỰ ĐỀU CÓ CHỨC NĂNG NHƯ MỘT DANH TỪ HOẶC TÍNH TỪ TRONG CÂU EX: - "Will you have another cup of tea" - "No, thanks. I've had two"** - First **/fərst/** - Second **/ˈsɛkənd/** - Third **/θərd/** - Fourth **/fɔrθ/** - Fifth **/fɪfθ/** - Sixth **/sɪksθ/** - Seventh **/ˈsevənθ/** - Eighth **/eɪtθ/** - Ninth **/naɪnθ/** - Tenth **/tɛnθ/** - Eleventh **/ɪˈlɛvənθ/** - Twelfth **/twelfθ/** - Twentieth **/ˈtwɛntiəθ/** - Hundredth **/ˈhʌndrədθ/** - Thousandth **/ˈθaʊzənθ/**

Answer 29

**LƯU Ý** – Các số kết thúc bằng 1 như **1st, 21st, 31st**,… sẽ được viết là first, **twenty-first, thirty-first**,... trừ **11th** vẫn được viết là eleventh – Các số kết thúc bằng 2 như **2nd, 22nd, 32nd**,... sẽ được viết là second, **twenty-second, thirty-second**,... trừ **12th** sẽ được viết là twelfth. – Các số kết thúc bằng 3 như **3rd, 23rd, 33rd**,… sẽ được viết là third, "*twenty-third, thirty-third**,… trừ **13th** vẫn được đọc là thirteenth. – Các số kết thúc bằng 5 như 5th, 25th, 35th,…sẽ được viết là fifth, **twenty-fifth, thirty-fifth**,... – Các số kết thúc bằng 9 như **9th, 29th, 39th**,… sẽ được viết là ninth, **twenty-ninth, thirty-ninth**,…trừ " **19th** vẫn được viết là nineteenth ______________________________________ **TRƯỜNG HỢP SỬ DỤNG SỐ THỨ TỰ** - Khi muốn diễn tả vị trí, thứ hạng: - Khi muốn diễn tả vị trí tầng của một tòa nhà - Khi muốn mô tả ngày trong tháng ## Footnote - Once **/wʌns/** - Twice **/twaɪs/**  

Question 30

Once **/wʌns/**

Answer 30

**[một lần]** ## Footnote **1. All At Once** - *(suddenly)* **[đột ngột, bất ngờ]** EX: All at once she lost her temper. - *(all together; at the same time)* **[cùng một lúc]** EX: I can't do everything all at once **2. At Once** - (immediately; without delay) **[ngay lập tức]** EX: Come here at once! - *(at the same time)* **[cùng một lúc ]** EX: Don't all speak at once! **3. Once And For All [Lần Cuối]** *(finally or completely)* EX: We need to settle this once and for all. **4. Once Bitten, Twice Shy [Một Lần Bị Rắn Cắn, Mười Năm Sợ Dây Thừng]** *(after an unpleasant experience you are careful to avoid something similar)* **5. Once In A Blue Moon** (very rarely) **(Every) Once In A While** (occasionally) **6. Once A…, Always A…** *(used to say that someone cannot change)* EX: Once an actor, always an actor. **7. Once Upon A Time [Ngày Xửa Ngày Xưa]** *(especially at the beginning of stories, to mean “a long time in the past”)* EX: Once upon a time there was a beautiful princess.