# Giải toán qua mạng bằng tiếng anh

Đề thi giải Toán thù Tiếng Anh qua mạng lớp 5 các vòng có đáp án được đọc với những dạng đề thi khó khăn, góp những em học viên tất cả thêm tư liệu tiếp thu kiến thức với luyện thi. Từ đó, các em sẽ sở hữu quan điểm trọn vẹn về kỹ năng và kiến thức và khả năng buộc phải nắm rõ trước lúc lao vào kì thi ViOlympic Tiếng Anh cùng với tâm thế vững rubi duy nhất.

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Exam number 1: Fill in the blank with the suitable number

Question 1: 0.6 hour = .............. minutes.

Question 2: 12 hours 24 minutes x 2 = ............. hours. (Write your answer by decimal in the simplest form)

Question 3: 51 hours = ............ days. (Write your answer by decimal in the simplest form)

Question 4: 5 minutes 27 seconds : 3 = .......... seconds.

Question 5: How fast is Anna going if she runs 8 miles in the park in only 2 hours?

Question 6: How fast is Jachồng going if the train he is on travels trăng tròn miles in just 6 minutes?

Question 7: How far will Mary travel if she rides her motorbike for 24 minutes at a speedof 75 miles/hour?

Question 8: Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How manykilometers did he skate?

Question 9: The area of a rectangle ABCD is 56cm2. Given a random point E inside of ABCD. Find the total area of triangles AED và BEC.

Question 10: The distance between 2 trees is 300 meters. It will take a bird 30 seconds tofly between these 2 trees. How fast is the bird in kilometer per hour?

Exam number 2: Cóc kim cương tài ba

Question 1: Which of following is correct?

a. 100 + 64 = 104 + 60

b. 100 + 64 = 140 + 6

c. 100 + 64 = 106 + 40

d. 100 + 64 = 10 + 64

Question 2: Write as a decimal.

The result is .........

a. 23,05

b. 23,0005

c. 23,005

d. 235

Question 3: Find the value of x such that x + 3/7 = 26/21

a. 7/21

b. 23/21

c. 23/14

d. 17/21

Question 4: Calculate: 23,61 x 4,23 = .........

a. 9987,03

b. 92,1403

c. 99,8703

d. 9214,03

Question 5: This shape is made of several small cubes. Find the surface area of the shape,if each side of small cube is 2centimet long.

a. 96cm2

b. 104cm2

c. 208cm2

d. 144cm2

Question 6: In a school library, there are 101000 English books, 92683 Math books and216094 books of other subjects. How many books are there in the library?

a. 409777 books

b. 308777 books

c. 193683 books

d. 409667 books

Question 7: Find the next figure

Question 8: What is the difference between the sum of the first 2016 even naturalnumbers and the first 2016 odd natural numbers?

a. 4031 b. năm 2016 c. 4030 d. 2015

Question 9: Jachồng buys sofas from a wholesale market for \$3750, & then he sells all ofthem at a loss of 4%. How much money did he sell each sofa for?

a. \$3900 b. \$156 c. \$3600 d. \$144

Question 10: A square picture was cut along the lines inlớn 9 pieces. Which of thefollowing shapes below was missing piece?

Exam number 3: Sắp xếp những quý hiếm theo thứ trường đoản cú tăng dần

### Đề thi Violympic Tân oán Tiếng Anh lớp 5 vòng 9

Exam number 1: Choose the most suitable answer in 4 available answers. (Cóc kim cương tài ba)

Question 1: Choose the calculation that has the greathử nghiệm result.

a. 125,7 : 3 + 14,3

b. 365,5 : 5 - 17,8

c. 59,8 : 2 + 26,13

d. 196,4 : 4 - 7,07

Question 2: Peter counts his heart rate. He counts 8 beats per 6 seconds on average. How many beats per minute does Peter count?

a. 75 b. 140 c. 60 d. 80

Question 3: Which fraction is equal to 17,5%?

a. 35/trăng tròn b. 7/40 c. 35/50 d. 175/100

Question 4: Mia wants to buy apple. Which is the best buy?

a. 7kg of apples for \$30,38

b. 5kilogam of apples for \$21,5

c. 6kg of apples for \$26,1

d. 4kilogam of apples for \$17,32

Question 5: The product: đôi mươi x 21 x 22 x ..... x 40 has ....... digit 0.

a. 4 b. 6 c. 5 d. 3

Question 6: Which shape is colored more than 1/2 in green?

Question 7: If number A is increased by 60% then it will equal number B. How much percentage will B be decreased by to equal A?

a. 40% b. 62,5% c. 37,5% d. 60%

Question 8: Find the smallest number that is 7 times the sum of its digits?

a. 28 b. 21 c. 14 d. 35

Question 9: Calculate:Choose the correct answer:

a. 767/768 b. 711/768 c. 255/256 d. 85/256

Question 10: How many fractions equal 1 tháng 5 and have sầu denominators of 2 - digit numbers?

a. 16 b. 18 c. 22 d. 20

Exam number 2: Your oto has khổng lồ pass 5 obstacles to finish. In order to overcom each obstacle, you have sầu to answer correctly one of three problems in that obstacle. (Vượt chướng ngại vật vật)

Question 1: If và n is a natural number then n = ...........

Question 2:

The perimeter of the shape is ....... cm.

Question 3: Find X if X x 8,6 - 5,2 x X - 11,06 = 5,94

Question 4: Calculate: 5,5 x (3,5 - 1,5) + 1,5 = ..............

Question 5: Calculate:

Exam number 3: Find the blank with the suitable number

(Note: write decimal number with the comma" between number part & fraction part. Ex: 0,5)

Question 1: 5,136m3 = ............ cm3.

Question 2: 47/250 dm3 = ............. cm3.

Question 3: The perimeter of a circle is 15,7dm. Its area is ....... cm2.

Question 4: Jane bought a couch. A couch costs 950 dollars. She received a 30% discount. How much of a discount did she get?

Question 5: The ratio of the number of girls to the number of boys in a classroom is 5 : 4. When 10 girls left the classroom, the ratio of the number of boys khổng lồ the number of girls became 4 : 3. How many students were in the classroom at first?

Question 6: The area of a rectangle is 50m2. If it"s length is increased by 10% and it"s width is decreased by 20% then the area of new rectangle is ...............m2.

Question 7: An aquarium is 8dm deep, 12dm long and 0,3m wide. What is the volume of the aquarium in cubic centimeter?

Question 8:

The sum of all square"s area in the following figure is 375cmét vuông. The area of the biggest square is ............ dmét vuông.

Question 9: At a party 60% of the boys are dancing with 80% of the girls. How many people are nhảy đầm if there are 35 people? (A pair cludes only one boy và one girl)

Question 10:

Look at the following figure. AF/AB = 1/4; AE/AC = 1/3. If the area of triangle GBD is 270m2 then the area of the triangle GCD is .......... m2.

Đáp án đề thi Violympic Toán Tiếng Anh lớp 5 vòng 9

Exam number 1: Choose the most suitable answer in 4 available answers. (Cóc kim cương tài ba)

Question 1: a

Question 2: d

Question 3: b

Question 4: b

Question 5: b

Questionc 6: d

Question 7: c

Question 8: b

Question 9: d

Question 10: b

Exam number 2: Your oto has khổng lồ pass 5 obstacles khổng lồ finish. In order lớn overcom each obstacle, you have to lớn answer correctly one of three problems in that obstacle. (Vượt chướng ngại vật vật)

Question 1: 25

Question 2: 80

Question 3: 5

Question 4: 12,5

Question 5: 4

Exam number 3: Find the blank with the suitable number (Note: write decimal number with the comma" between number part and fraction part. Ex: 0,5)

Question 1: 5136000

Question 2: 188

Question 3: 1962,5

Question 4: 285

Question 5: 45

Question 6: 44

Question 7: 28800

Question 8: 2

Question 9: 24

Question 10: 180

### Đề thi Violympic Tân oán giờ Anh lớp 5 vòng 8

Exam number 1: Đi tìm kiếm kho báu

Question 1: There are 40 students in Mrs. Brown"s class. 25% of her students received a B on the chạy thử. How many students received a B?

a. 10 b. 12 c. 18 d. 20

Question 2: What is the hàng hóa of 3.05 và 2.8?

a. 8.54 b. 8.056 c. 8.56 d. 8.054

Question 3: A clothing siêu thị is having a 40% off sale. How much would Jane have sầu lớn pay for a \$30 sweater with a 40% discount?

a. \$18 b. \$trăng tròn c. \$50 d. \$13

Question 4: If a pen costs \$1.75 và an eraser costs \$0.85, which of the following is the cost of 10 erasers và 5 pens?

a. \$21.75 b. \$26 c. \$18.75 d. \$17.25

Question 5: If the area of the rectangle ABCD is 60cmét vuông then the area of the trapezoid MNCD is ..........cmét vuông.

a. 48 b. 50 c. 45 d. 54

Exam number 2: Tìm cặp bằng nhau

Exam number 3: Fill in the blank with the suitable number

Question 1 The length of each edge of a cube is 3 cm. The surface area of the cube, in cmét vuông, is .............

Question 2: At the beginning of the summer, Bob was 140 cm tall. At the over of the summer, he measured his height again và discovered that it had increased by 5%. Measured in centimet, what was his height at the end of summer?

Question 3: The number of centimetres in 7.05 metres is ...............

Question 4: Bella scores on six of her eight pictures. The percentage of pictures that she does not score on is .........%.

Question 5: A bag contains green marbles & red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then ............% of marbles are green.

Question 6: How many even numbers between 1 & 100 are divisible by 5?

Question 7: Alice is going lớn the store. One third of the way lớn the store, she stops to talk with Kelly. She then continues for 6 km and reaches the store. How many kilometres does she travel?

Question 8: How many three-digit numbers are exactly 19 more than a two-digit number?

Question 9: In the 3×3 table shown, the numbers 2, 4 và 6 are placed so that each number occurs only once in each row and only once in each column. The value of M + N is ............

Question 10: How many different 3-digit whole numbers can be formed using the digits 4, 5, 0 and 8, assuming that no digit can be repeated in a number?

ĐÁP. ÁN

Exam number 1: Đi search kho báu

Question 1: a

Question 2: a

Question 3: a

Question 4: d

Question 5: b

Exam number 2: Tìm cặp bởi nhau

(1) = (6); (2) = (4); (3) = (12); (5) = (13); (7) = (10); (8) = (14); (9) = (20); (11) = (19); (15) = (17); (16) = (18)

Exam number 3: Fill in the blank with the suitable number

Question 1: 54

Chiều dài một cạnh của một khối hận lập phương là 3cm.

Diện tích mặt phẳng của khối lập phương là 3 x 3 x 6 = 54 (cm2)

Question 2: 147

Question 3: 705

Question 4: 25

Question 5: 20

Question 6: 9

Question 7: 9

Question 8: 19

Có bao nhiêu số gồm 3 chữ số nhưng lớn hơn một vài tất cả 2 chữ số 19 đối kháng vị?

Các số gồm 3 chữ số nhưng mà lớn hơn một số trong những có 2 chữ số 19 đơn vị là: 81; 82; 83; ........; 99

Số các số vừa lòng là: (99 - 81) : 1 + 1 = 19 (số)

Đáp số: 19 số

Question 9: 6

Question 10: 18

### Đề thi Violympic Tân oán giờ đồng hồ Anh lớp 5 vòng 7

BÀI THI SỐ 1 – ĐẬP. DẾ

Câu 6: Find x: x × 100 = 505

a/ x = 5.5 b/ x = 50.5 c/ x = 5.05 d/ x = 0.505

Hướng dẫn

x × 100 = 505

x = 505 : 100

x = 5.05

Chọn c

Câu 7: Calculate: 9.28 : 4 = …

a/ 2.3 b/ 2.32 c/ 2.23 d/ 2.33

Chọn b

Câu 8: What percentage is 35 of 40?

a/ 87.5% b/ 45% c/ 30.5% d/ 65%

Hướng dẫn

Tỉ số Phần Trăm của 35 và 40 là: 35 : 40 x 100% = 87.5%

Chọn a

Câu 9: They are 40 students in the class 5A and 55% of them are boys. How many boys are there?

a/ 18 boys b/ 17 boys c/ 22 boys d/ 23 boys

Hướng dẫn

Chọn c

Câu 10: Calculate: tính: 11.5 x 4.5 = ….

a/ 517.5 b/ 51.75 c/ 44.75 d/ 447.5

Bài thi số 2 – ĐỪNG ĐỂ ĐIỂM rơi

Câu 1: Convert: 3dm2 = ….m2.

Điền: 300

Câu 2: Calculate:

(Write your answer as fraction in simplest khung a/b)

Điền: 1/2

Câu 3: Calculate: 8.57 – 2.1 = …

(Write your answer as decimal in simplest form)

Điền 6.47

Câu 4: Calculate: 3.23 + 3.6 = …

(Write your answer as decimal in simplest form)

Điền: 6.83

Câu 5: Convert: 2 tons 512 kilogam = …. Tons

(Write your answer as decimal in simplest form)

Điền: 2.512

Câu 6: Quang’s garden has 200 trees, including 78 mango trees & the rest are guava trees. What percentage of trees in Quang’s garden are mango trees?

Điền 39

BÀI THI SỐ 3 – LEO DỐC

Câu 1: Find x if: x + 9.37 = 31.04

A – đôi mươi.76 B – 23.67 C – 21.67 D – 39.41

Hướng dẫn

x + 9.37 = 31.04

x = 31.04 – 9.37

x = 21.67

Chọn C

Câu 3: Which of following numbers is divisible by 3?

A – 646 B – 327 C – 496 D – 523

Chọn B

Câu 4: Calculate: 0.025 x 400 = …

A – 25 B – 1 C – 100 D – 10

Câu 7: Find two numbers if their sum is 13.96 and their difference is 2.72

A – 7.62 and 6.34 B – 8.34 and 5.62

C – 8.27 and 5.69 D – 9.16 & 4.8

Hướng dẫn

Số phệ là: (13.96 + 2.72) : 2 = 8.34

Số nhỏ bé là: 8.34 – 2.72 = 5.62

Chọn B

Câu 10: If x x 302 = 64326 then x = ….64326 : 302 = 213

a/ 206 b/ 213 c/ 216 d/ 312

Chọn b

Câu 11: Find the value of x such that x + 47.92 = 89.27 .

Hướng dẫn

x + 47.92 = 89.27

x = 89.27 – 47.92

x = 41.35

Answer: x = 41.35

### Đề thi Violympic Toán giờ Anh lớp 5 vòng 2

Question 1: Find equal values. (Tìm những cặp giá trị bởi nhau)

(2) = ...........; (4) = ..........; (5) = ..........; (8) = ..........; (9)= ..........; (11) = ..........; (13) = ..........; (14) = ..........; (15) = ........; (20) = .........;

Question 2:

Question 2.1:

Compare 7/9 .......... 2/3

Fill in the blank with the suitable sign (>,

A. 440

B. 420

C. 4200

D. 4400

Question 3.3:

A. 5/2

B. 14/11

C. 6(3/8)

D. 77/8

Question 3.4:

The value of is ..............

A. 3/97

B. 5/97

C. 5/99

D. 33

Đáp án:

Question 1: Find equal values. (Tìm những cặp quý hiếm bởi nhau)

(2) = (10); (4) = (12); (5) = (1); (8) = (6); (9) = (16); (11) = (17); (13) = (7); (14) = (19); (15) = (18); (20) = (3);

Question 2:

Question 2.1: >

Question 2.2: 11

Question 2.3: 125

Question 2.4: 2

Question 2.5: 375

Question 2.6: 6

Question 2.7: 72

Question 2.8: 2040

Question 2.9: 0

Question 2.10: 3333

Question 3:

Question 3.1: C. 9/20

Question 3.2: D. 4400

Question 3.3: B. 14/11

Question 3.4: D. 33

### Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 1

I. Tìm cặp bởi nhau

II. Đi tìm kho báu

Question 1: What is the perimeter of a rectangle with sides 5centimet by 4cm?

Question 2: Find the sum of numbers that are greater than 50 in the following table.

Question 3: If subtracting 19 from the greatesst 2 - digit number and then dividing the difference by 4, we get the result ...

A) 19 B) 20 C) 40 D) đôi mươi.25

Question 4: There are 38 students in the class 5A. The students can be sit at 11 tables with no empty seats. There are small table for 3 students and large tables for 4 students. How many small tables & large tables in the class?

Question 5: The perimeter of a square is 80centimet. What is the measure of each side?

III. Sắp xếp các ô có giá trị tăng dần

Đáp án đề thi Violympic Tân oán Tiếng Anh lớp 5 vòng 1

I. Tìm cặp bằng nhau

(1) = (18); (2) = (15); (3) = (12); (4) = (8); (5) = (14); (6) = (17); (7) = (10); (9) = (16); (11) = 19); (13) = (20)