Basic Math Terms - Từ vựng SAT Math cơ bản
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Các từ vựng cơ bản trong SAT Math với sự hướng dẫn học tập từ thầy Hiếu. Cả nhà xem video sau đó làm bài tập thêm để nhớ cách sử dụng nha.
Bài học chia thành 2 phần:
- Materials: làm các bài tập nhỏ để hiểu từ vựng
- Practice: Luyện tập sử dụng từ vựng.
Nào bắt đầu bài học thôi!
MATERIALS
Bài tập cơ bản
Exercise 1. Hoàn thành câu sử dụng từ cho trước.
|
add |
subtract |
divide |
multiple |
- If you ............................................ 15 by 3, each group will have 5.
- If I ............................................ 6 from 10, I’ll get 4.
- When you ............................................ 8 and 3, the total is 11.
- 15 is a ............................................ of 3 because 3 times 5 equals 15.
|
even |
odd |
is an ............................................ number because it cannot be divided by 2 evenly.
is an ............................................ number because it divides evenly by 2.
|
square |
square root |
The ............................................ of 4 is 16.
The ............................................ of 49 is 7.
|
variable |
equation |
To solve the ............................................ 5x=20, divide both sides by 5 to find x=4.
In the ............................................ 3x+4=10, the ............................................ x can be solved to find its value.
Exercise 2. Nối ví dụ ở cột A với tên gọi của chúng ở cột B.
|
A |
B |
|
15+7=12 |
Amultiplication |
|
29−4=5 |
Bdecimal |
|
34×3=12 |
Csubtraction |
|
420÷4=5 |
Dsquare root |
|
5 |
Efraction |
|
62.75 |
Faddition |
|
733% |
Gabsolute value |
|
852 |
Hdivision |
|
9 |
Isquare |
|
10|-4| |
Jpercent |
1 - .................. 2 - .................. 3 - .................. 4 - .................. 5 - ..................
6 - .................. 7 - .................. 8 - .................. 9 - .................. 10 - ..................
Từ vựng chắt lọc
| absolute value | /ˈæbsəluːt ˈvæljuː/ | n phr | giá trị tuyệt đối |
| addition | /əˈdɪʃn/ | n | phép cộng, sự thêm vào |
| decimal | /ˈdesɪml/ | n | số thập phân |
| difference | /ˈdɪfrəns/ | n | hiệu số, sự khác biệt |
| division | /dɪˈvɪʒn/ | n | phép chia |
| equation | /ɪˈkweɪʒn/ | n | phương trình, đẳng thức |
| even number | /ˈiːvn ˈnʌmbə(r)/ | n phr | số chẵn |
| exponent | /ɪkˈspəʊnənt/ | n | số mũ |
| fraction | /ˈfrækʃn/ | n | phân số |
| integer | /ˈɪntɪdʒə(r)/ | n | số nguyên |
| multiple | /ˈmʌltɪpl/ | n | bội số |
| multiplication | /ˌmʌltɪplɪˈkeɪʃn/ | n | phép nhân |
| negative number | /ˈneɡətɪv ˈnʌmbə(r)/ | n phr | số âm |
| odd number | /ɒd ˈnʌmbə(r)/ | n phr | số lẻ |
| percent | /pəˈsent/ | n | phần trăm |
| positive number | /ˈpɒzətɪv ˈnʌmbə(r)/ | n phr | số dương |
| product | /ˈprɒdʌkt/ | n | tích (kết quả phép nhân) |
| quotient | /ˈkwəʊʃnt/ | n | thương số (kết quả phép chia) |
| round | /raʊnd/ | adj | tròn, làm tròn |
| square | /skweə(r)/ | n | bình phương, hình vuông |
| square root | /ˌskweə ˈruːt/ | n phr | căn bậc hai |
| subtraction | /səbˈtrækʃn/ | n | phép trừ |
| sum | /sʌm/ | n | tổng (kết quả phép cộng) |
| variable | /ˈveəriəbl/ | n | biến số |
Check-up. Chọn đáp án đúng.
1. If you add 6, 3 and 20, the total comes to ........................... .
A 25
B 27
C 29
2. If you multiply 5 and 6 and then subtract 3, the answer is ........................... .
A 4
B 10
C 27
3. Which of the following is an odd number?
A 11
B 18
C 23.5
4. If 50% of the students in a class are boys, it means that ........................... .
A fifty are boys
B half are boys
C most are boys
5. A product is ........................... .
A the result when two numbers are multiplied
B the result when two numbers are divided
C the result when two numbers are added
6. A difference is ........................... .
A found by adding numbers
B found by comparing numbers or subtracting
C found by multiplying
7. A sum is ......................... .
A the difference of two numbers
B the total amount of two or more addends
C the greater number
8. Which word means the same as “round”?
A estimate
B sum
C quotient
PRACTICE
Exercise 3. Chọn đáp án đúng.
1. Which is a percent?
A 0.73
B 73/100
C 73
D 73%
2. Rachel read 3 more books than Topher did over their summer vacation. If Rachel read 7 books, how many books did Topher read?
A 3
B 4
C 7
D 10
3. The product of a number xand four decreased by twelve.’ Which of the following is an expression for the statement above?
A 4x + 12
B 4(x + 12)
C 4(x - 12)
D 4x - 12
4. Twice the product of mand n decreased by the square of the sum of m and n.’ Which of the following is an expression for the statement above?
A 2mn - (m2 + n2)
B 2mn – (m + n)2
C (m + n)2 – 2mn
D (m2 + n2) – 2mn
5. The quotient of 19 and a number dincreased by seven.’ Which of the following is an expression for the statement above?
A 19/d + 7
B d/19 + 7
C (19+d)/7
D (d+7)/19
6. How much greater than n− 11 is n+ 3?
A 8
B 10
C 12
D 14
7. How many minutes are there in 2h hours and 6m minutes?
A 60h + 12m
B 120h + 6m
C 60h + 6m
D 120h + 60m
8. On Saturday, Lin spent 8 hours watching TV shows and playing video games. If she spent thours watching TV shows and v hours playing video games, which of the following best models this relationship?
A t + v = 8
B t - v = 8
C v - t = 8
D tv = 8
Exercise 4. Trả lời câu hỏi.
- If -30 + k= 22, what is the value of k?
.......................................
- If x/5 = 3, what is the value of x?
.......................................
- What is 15% of 120?
.......................................
- Jaime went to the mall with $42. If he bought a T-shirt and had $18 left, how much did the T-shirt cost Jaime in dollars?
............................................
- Joe spent half as long working on his physics homework as Dave did. If Joe spent 40 minutes on his physics homework, how long did Dave spend on his physics homework?
.............................................
- The expression 1.5t+ 20 predicts the height, in centimeters, of a plant t days from today. What is the predicted height, in centimeters, of the plant 5 days from today?
.............................................
- In an 8-minute long game, a professional video game player performed a total of 2,400 actions. What is the player’s average number of actions per minute?
............................................
- A zoo has 15 Emperor penguins. The Emperor penguins make up 30% of all the penguins at the zoo. How many penguins live at the zoo?
.............................................
Các bạn cùng làm bài nhé!
Tham khảo thêm:
Từ vựng SAT bao nhiêu là đủ? Tổng hợp từ vựng SAT theo chủ đề hay nhất
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