Trần Ngọc Hà
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Bài 4. Tính giá trị biểu thức:
a) A = 231 + 4505 + 769 – 2505. b) B = 68.74 + 27.68 – 68
c)
C 2 4 6 8 .... 2022 3 5 7 9 ..... 2021 = + + + + + − + + + + + ( ) ( )
Bài 5. Tìm x biết:
a) 4 – 2(x + 1) = 2 b)
(3 54 .8 : 4 18 x − = )
c) (x – 2).(x – 5) = 0
Bài 6*. Trong số 60 học sinh có 40 học sinh thích học Toán, 30 học sinh thích Văn.
a) Nếu có 5 học sinh không thích cả Toán lẫn Văn thì có bao nhiêu học sinh thích cả
hai môn Văn và Toán?
b) Có nhiều nhất nhất bao nhiêu học sinh thích cả hai môn Văn và Toán?
c) Có ít nhất bao nhiêu học sinh không thích cả hai môn Văn và Toán?
Bài 7*. Cho dãy số: 2; 4; 6; 8; …; 2022.
a) Hỏi dãy có bao nhiêu số hạng?
b) Số hạng thứ 100 của dãy số trên là số nào
so sánh phân số bằng cách hợp lí (lưu ý : BẰNG CÁCH HỢP LÝ )
a, 23/27 và 27/41
b. 23/47 và 24/45
c. 43/47 và 31/35
d, 16/27 và 15/29
e. 23/28 và 24/ 27
f. 13/15 và 133/153
g.13/15 và 1333/1555
so sánh phân số
a, 23/27 và 27/41
b. 23/47 và 24/45
c. 43/47 và 31/35
d, 16/27 và 15/29
e. 23/28 và 24/ 27
f. 13/15 và 133/153
g.13/15 và 1333/1555
Bài 12. Cho dãy số: 1; 3; 5; 7; …; 2021.
a) Hỏi dãy có bao nhiêu số hạng?
b) Số hạng thứ 100 của dãy số trên là số nào?
DẠNG 3. Một số bài toán quy luật dãy số
Bài 11. Hãy tìm qui luật viết số rồi viết thêm hai hai số nữa vào mỗi dãy số sau đây: a) 0; 1; 2; 4; 7; 12; …
b) 1; 3; 3; 9; 27; …
c) 0; 1; 4; 9; 16; …
d) 1; 5; 14; 33; 72; …
e) 6; 24; 60; 120; 210; …
f) 2; 20; 56; 110; 182; …
Bài 9. Tìm số tự nhiên x biết:
a) x.15 + 40 = 15 +20.8
b) (x – 1).(5 – x) = 0
c) x – 140 : 35 = 270
d) (14 – 3x) + (6 + x) = 0 Bài 10.
Tìm số tự nhiên x biết: (x + 1) + (x + 2) + (x + 3) + … + (x + 9) = 135
Content words
Bride gather ribbon sneak into stuff
Groom symbolize celebrate tradition treat
SPECIAL DAYS FOR FAMILIES
All around the world, families celebrate days together. Traditions for these days are as different as the countries and the people who celebrate them. Some of these traditions may surprise you.
Getting married is one of the most important days in the lives of many people around the world. In Germany, the friends and family of the bride and groom gather a day before the wedding. They break dishes, flower pots, bottles, and plates. Then the young couple has to clean it all up! This tradition is called polterabend. Germans believe that it brings good luck to the new couple. Cleaning up the mess together also symbolizes that they’ll have to work together through the good and bad times in their life.
Families in most countries have a special day to celebrate mothers. In Serbia, this day is on the second Sunday before Christmas. On that day, children sneak into their mother’s bedroom and tie her feet with ribbon so that she can’t get out of bed. Then they shout, “Mother’s Day, Mother’s Day! What will you pay to get away?” Then the mother gives them small treats and presents as payment so that the kids ‘free’ her.
In China, they say that babies are one year old when they are born. After that, all children celebrate their birthday on New Year’s Day because that’s when they grow a year older. Actual birthdays are usually celebrated with a big family meal. The tradition is that the ‘birthday boy’ or ‘birthday girl’ should stuff their mouth with as many long noodles as they can and then eat them. This is because in Chinese culture, long noodles symbolize a long life.
Look at the passage again. Complete the sentences. Use the words from the text
1. Polterabend takes place a day ____________the wedding.
2. In Serbia, the kids ___________their mom’s ______________to keep her on the bed.
3. Cleaning up the mess together _______________that they’ll have to work together through the good and the bad times in their life.
4. In China, children are considered to be ______year old when they are born.
5. The traditional food for a Chinese birthday party is __________________.
III. Complete the sentences with a preposition
1. I’m not interested ……….sport.
2. I’m not very good ……..sport.
3. I like Sarah. She’s always very kind ……….me.
4. I’m sorry ………..your broken window. It was an accident.
5. He’s very brave. He isn’t scared ………….anything.
6. It was very nice …………Janet to let us stay in her apartment.
7. My hometown is very different ………..this city.
8. Chris was angry …….what happened.
9. Chris was worried …………his exam result.
10. Don’t be late ………..the interview.
11. This restaurant is famous ……….its Italian food.
12. She’s married …………..a footballer.
13. She’s very good ……………language.
14. He’s fed up …………the weather.
15. The pool is full ………….rubbish.
16. She is never proud ………..her work.
IV. Complete the sentences with one preposition
1. We would like to take part ………..the game.
2. Excuse me. I’m looking……………Hill street. Is it near here?
3. I texted ………..Lisa to tell her I would be late.
4. The plan will depend ………how much money we can borrow.
5. The old house belongs…………..a poor man.
6. I saw Steve, but I didn’t speak …………him.
7. Thank you ………….what you have done for me.
8. I will be late so don’t wait ……..me.
9. Nobody knows what happened …………her that night.
10. Can you look ……… my dog while I am away?
11. We prefer K pop music ……………Vpop.
12. Busy life prevents her ……………..socializing with other people.
13. Jack participated……………the competition but he didn’t wind any prize.
14. Take ………….your shoes when entering the temper.
15. The film isn’t the same ……….the original book.
16. Don’t give ……….hope.
17. The plane took …………on time.
Each sentences has a mistake. Circle the mistake
There is a fewer rain in a desert than in the forest
Her schoolbag is different than mine
I cut the paper by a pair of scissors
We walked in the forest since a whole morning
She spent 2 hours to find her lost book
Recorder the words or phrase to make complete sentences
minutes/day/takes/drive/a/it/father/work/my/to/to/30
......................................................................................................................
coffee/drinks/younger/she/less/brother/than/her
......................................................................................................................
pleasant/went/such/day/a/we/that/was/camping/it
.......................................................................................................................
late/longer/doesn't/she/any/school/to/cycle
.........................................................................................................................
Fill in the gap with one preposition
See you...........Friday afternoon
We will go there ..........my new car
Do you know the man...........sunglasses ?
Don't be absent ..........school too often?
This book is not the same ...........mine
The house is too far...........the market so I won't buy it
She spent a lot of money ..........clothes
I live .................164 Roger street
The (different) ...........between the two languages are relatively small.
1. They (not go)……………… out last Sunday because the weather (be) …………too cold.
2. I hate (spend) ……………….. all day on (go) ……………….. fishing.
3. She felt like (have)………………..a bath after a hard working day.
4. Na went to the theatre without (tell)……………….her mother.
5. Let him (do)………………what he wants.
6. We are looking forward to (have)……………….a big party by the pool.
7. There is no point in (go)………………….in his car.
8. This the first time I (eat)…………………..caviar.
9. Tim (already / do) ……………………..his homework.
V. Fill in the gap with one preposition
1. What is the longest river ………………… Europe?
2. Is there anything interesting …………..TV this evening?
3. We arrived……………the hotel after midnight.
4. ‘Where’s Mark?’ ‘He’s ………..holiday’.
5. Tom hasn’t got up yet. He’s still ………..bed.
6. The next meeting is …………..15 April.
7. There’s too much sugar ………………my coffee.
8. Joe lived in London ……………six months. He didn’t like it very much.
9. Were there a lot of people ………..the party?
10. The train was very slow. It stopped ……………….every station.
11. ‘Did you buy that picture?’ ‘No, it was given to me ………………a friend of mine.’
12. I’m going away …………a few days.
13. Emma left school …………….sixteen and got a job ………….a shop.
III. Choose the best option A, B, C or D to complete the sentence below
1. - "Excuse me. Where’s the parking lot?" – “___________”
A. Why do you ask me? I don’t know. B. Do you get lost? I do too.
C. You missed the turn. It’s back that way. D. speaking
2. Mary is talking to a porter in the hotel lobby: Porter: "Shall I help you with your suitcase?”- Mary: “____”
A. Not a chance. B. Thats very kind of you. C. I can‘t agree more. D. What a pity!
3. I don’t like to ask people for help but I wonder if you could ____ me a favour.
A. make B. do C. find D. pick
4. Do you have any toothpaste? I‘d like a large ..................... .
A. tin B. roll C. bar D. tube
5. It took him ages to ………………… living in the new town.
A. use to B. used to C. get used to D. will use to
6. Sue was absent …………….school yesterday because she was sick.
A. with B. of C. for D. from
7. Tô Ngọc vân is well-known in …………..
A. art B. business C. astronomy D. biology
8. The left side of your body ………….by the right side of your brain while the right side of your body is controlled by the left side of your brain..
A. is controlled B. was controlled C. has controlled D. controls
9. ……………..is a person who keeps following the ball and pays attention to all the players. This person wears a different uniform and does not play on a team
A. a goalkeeper B. a spectator C. a referee D. a coach
10. Which of the following is NOT a clean energy source?
A. solar energy B. wind energy C. coal energy D. tidal energy
11. Who of the following was the last king of our country?
A. Nguyễn Huệ B. Minh Mạng C. Bảo Đại D. Tự Đức
12. Bob lived in England in 1999, …………….he?
A. wasn’t he B. didn’t he C. couldn’t he D. doesn’t he
13. It was…… ……. we could not go out.
A. such cold that B. so cold that C. very so cold D. too cold that
14. John ………….. Susan to go out with him but her parents didn’t let her out.
A. insisted B. suggested C. invited D. helped
15. When I was young, I used ……………. on a farm.
A. to live B. live C. to living D. living
16. Will you join us on a ………. trip to Vung Tau?
A. two days B. two-days C. two-day D. day-two
