Các bạn có thể tải toàn bộ: Đề và đáp án vòng 1 thi Toán tiếng Anh (Math ViOlympic) lớp 4 năm học 2016 - 2017 tại đây.
Exam 1: Sắp xếp
Sắp xếp theo thứ tự bên dưới (từ trái qua phải, từ trên xuống dưới):
(3+4+5)x(2x2-4) | 14:7 | 20-17 | 12:3 |
12-7 | 21:3 | 4x2 | 3x2+3 |
The smallest 2 - digit number | Twelve | 4x5-7 | 4x3+2 |
6x6-21 | 1x10+6 | The value of y if y-4=13 | 2x3x3 |
3x(5+2) | 5x7-10 | 20x3:2 | (12-7)x6+1 |
7x8-17 | 1/3 of 120 | Result of 9x7+1 | 9x9-9 |
1/4 of 320 | The smallest 3 - digit number | Result of 7x7+55 | The value of y such that y+12=120 |
Sum of 36, 37 and 38 | 5x5x5 | 500:5+1500:5 |
Exam 2: Vượt chướng ngại vật
3 years 10 months = … months. Anwers: 46
Alice’s Pet rabbit weighs 500g. Jane’s Pet dog is ten times as heavy as Alice’s Pet rabbit. What is the weight of the dog? Anwers: 5kg
Calculate: 7 + 10 + 13 + 16 + … + M = ... (M is the 91st term of this sequence). Anwers: 12922
- Bài giải chi tiết:
- Xét tổng: 7 + 10 + 13 + 16 + … + M, ta có:
Số hạng đầu là: 7
Số hạng cuối là: M
Khoảng cách giữa các số hạng là 3
Số số hạng của tổng là: 91
Giá trị của số hạng thứ 91 là: M = 7 + (91 - 1) x 3 = 277
Giá trị của biểu thức trên là: (7 + 277) x 91 : 2 = 12922
Calculate: 15 x 3 x 2 = ... Anwers: 90
Calculate: 93 - 72 : 8 = ... Anwers: 84
Calculate: 205 + 60 + 3 = ... Anwers: 268
Calculate: 432 + 9 x 4 = ... Anwers: 468
Calculate: 9876 : 6 x 6 = ... Anwers: 9876
Find the difference between the fourth and the first number in the sequence: 13; 14; 15; 16; 17; 18. Anwers: 3
- Bài giải chi tiết:
- 16 - 13 = 3
Find the value of a if a : 4 = 12. Anwers: 48
Find the value of a if a x 5 = 125 x 5. Anwers: 125
Find the value of y if 36 - y = 20. Anwers: 16
Find the value of y if y + 8 = 57. Anwers: 49
How many 100g are there in 4kg? Anwers: 40
If 3 x y = 24, then y =... Anwers: 8
If 77 - b = 7, then b =... Anwers: 70
If y - (145+56) = 121, then y =... Anwers: 322
In 48 107, the digit “8” is in the … place. Anwers: Thousands
In the number 4926, the digit “2” is in the … place. Anwers: Tens
John had $84. He spent half of this amount on transport and ¼ of this mount on shirt. How much money did he spend altogether? Anwers: 63
- Bài giải chi tiết:
- Số tiền John đã sử dụng cho phương tiện di chuyển là: 84 : 2 = ($) 42
Số tiền John đã sử dụng cho áo sơ mi là: 84 : 4 = ($) 21
Số tiền John đã sử dụng là: 84 - 42 - 21 = ($) 63
Mary had 69 boxes of chocolate left after she had sold 110 boxes. If there were 6 pieces of chocolate in each box, how many pieces of chocolate had she at first? Anwers: 1074
- Bài giải chi tiết:
- Số hộp sô cô la Mary có lúc đầu là: 69 + 110 = 179 (hộp)
Số miếng sô cô la Mary có lúc đầu là: 179 x 6 = 1074 (miếng)
Peter runs faster than Jack. Bob runs faster than Peter and Jack runs faster than John. Who runs the fastest? Anwers: Bob
Subtract 50 from 715. The result is… Anwers: 665
The perimeter of a square is 20cm. What is its area in centimeter square? Anwers: 25
- Bài giải chi tiết:
- Độ dài các cạnh của hình vuông là: 20 : 4 = 5 (cm)
Diện tích hình vuông là: 5 x 5 = (25cm2)
Which number gives a remainder of 1 when divided by 3. Anwers: 22
- Bài giải chi tiết:
- 22 chia cho 3 dư 1
Van made 30 paper flowers. She gave her friend 1/6 of the flowers. How many flowers did she give her friend? Anwers: 5
Exam 3: Đi tìm kho báu
7780 is … tens more than 4280? Anwers: 350
A group of 9 students shared a box of pen. After they had taken 7 pens each, there were 6 pens left. How many pens were at first? Anwers: 69
- Bài giải chi tiết:
- Số viết đã chia cho 9 bạn là: 9 x 7 = 63 (cây)
Số viết ban đầu là: 63 + 6= 69 (cây)
Anna sells an umbrella for $12 on a rainy day and $18 on a sunny day. How much more will cost to buy 3 umbrellas on a sunny day than on a rainy day? Anwers: 18
- Bài giải chi tiết:
- Số tiền chênh lệch giữa giá 1 cái dù che nắng và 1 cái dù che mưa là: 18 - 12 = ($) 6
Số tiền chênh lệch giữa giá 3 cái dù che nắng và 3 cái dù che mưa là: 6 x 3 = ($) 18
Fill the missing number in the blank. 2022 = 2000 + … + 2. Anwers: 20
Find the product of 576 and 5. Anwers: 2880
Find the sum of 24 hundreds, 4 tens and 14 ones. Anwers: 2454
Gina is 2 years 3 months older than her sister. Her sister is 7 years 8 months old. How old is Gina? (Express your answer in year and months). Anwers: 9 years 11 months
Grace wanted to buy a camera. She saved $1 on the 1st day, $3 on the 2nd day, $9 on the 3rd day and $27 on the 4th day. After 6 day Grace saved enough money to buy the camera. How much did the camera cost? Anwers: 364
- Bài giải chi tiết:
- Ngày thứ 5 Grace để dành được số tiền là: 27 x 3 = 81
Ngày thứ 6 Grace để dành được số tiền là: 81 x 3 = 243
Giá tiền camera là: 1 + 3 + 9 + 27 + 81 + 243 = 364
I am a number. When I am multiplied by 6, the product is 10 greater than the sum 39 and 17. What number am I? Anwers: 11
- Bài giải chi tiết:
- Tổng của 39 và 17 là: 39 + 17 = 56
Số phải tìm là: (56 + 10) : 6 = 11
John needs 2 weeks 4 days to make a teddy bear. How many days does she need to make 7 teddy bear? Anwers: 126
Mark has 49 stamps, Janes has 298 more than Mark. Alvin has 39 stamps less than Janes. How many stamps do Janes and Alvin have altogether? Anwers: 655
Mr Dung finished polishing his car at 1.25pm. He took 2 hours and 25 minutes to finish this task. At what time did start polishing his car? Anwers: 11am
Mr Foo spent 1 year 5 months in London and 2 years 7 months in Paris. How long was he in the two cities? Anwers: 48
Mrs Devi left her flat at 11.25 am and reaches Joe’s house at 1 pm. How long was the journey from her flat to Joe’s house? Anwers: 1 hour 35 minutes
Tammy bought a pair of pants for $25 and two shirts for $18 each. She gave the cashier two fifty dollar notes. How much change did she receive from the cashier? Anwers: 39
The greatest odd number that can be formed by all the digits 1, 2, 0 and 8 is… Anwers: 8201
The sum of 2 number is 807. If one of the number is 399, what is the other number? Anwers: 408
Toan took 4 weeks to complete his project. Lina took 23 days to complete her project. How much days faster did Lina take to complete her project than Toan? Anwers: 5
Today is Tuesday. What day was it 18 days ago? Anwers: Friday
Three poles measuring 140cm, 1m35cm and 1m65cm are placed in a straight line. What is the total length of the poles? Anwers: 4m40cm
What is the difference between 8909 and 2059? Anwers: 6850
What is the smallest odd number that can be formed using all the digits 3; 6; 1 and 4? Anwers: 1463
What is the value of 4 in 6408? Anwers: 400
Which of the following number is 1000 more than 7680? Anwers: 8680
Which one of the following is the shortest distance (8km3m; 8m3cm; 8km30m; 8m30cm)? Anwers: 8m3cm