Đề thi Violympic môn Tiếng anh lớp 4 vòng 4 - Năm học 2016-2017

Math Violympic 4 Round 4 2016-2017

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Bài thi số 1: Sắp xếp

Bài thi số 2: Đi tìm kho báu

1. 8 liters of oil is filled in the fisrt can; 6 liters of oil is filled in the second can. How many liters are there in each can if they are filled equally?

2. Convert: century = … years.

3. Convert: day = … hours.

4. Convert: day = … hours.

5. Convert: century = … years.

6. Convert: day = … hours.

7. Convert: 2 hours = …….minutes.

8. Convert: 2kg = …………..g.

9. Convert: 5kg = …………g

10. How many 2 - digit numbers can you make by using 1; 0; 3; 4?

11. How many 2 - digit numbers can you make by using 1; 2; 3 and 4?

1 5

1 4

1 3

1 2

1 2

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Math Violympic 4 Round 4 2016-2017

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12. How many 3 - digit numbers can you make by using 1; 2; and 3?

13. Find the arithmetic mean of consecutive numbers from 1 to 7.

14. Find the arithmetic mean of consecutive numbers from 1 to 15.

15. Find the arithmetic mean of consecutive numbers from 1 to 99.

16. Find the arithmetic mean of consecutive numbers from 3 to 11.

17. Find the arithmetic mean of consecutive numbers from 5 to 17.

18. How many years are there in 4 centuries?

19. If A; B and C are odd numbers such that A < B < C and A + B + C = 23 then the possible greatest value of C is…

20. If a = 10; b = 12 and the average of a, b, c is 17 then c = …

21. If the average of m and 9 is 14. Then m = ...

22. If the average of three distinct numbers is 18 then the possible greatest value for one of these numbers is ...

23. The average of 51; 64 and y is 124. Then y = ...

24. The average of the natural numbers from 9 to 21 is...

25. If the average of y; y + 2 and y + 4 is 12. Then y = ...

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Math Violympic 4 Round 4 2016-2017

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26. There are 8 packs of cookies, each of them weighs 150g. There are also 4 packs of candies, each of them weighs 200g. How many kilograms of cookies and candies are there altogether?

27. There are 28, 27, 32 and 37 students in 4 classses 4A, 4B, 4C and 4D respectively. What is the average number of students in each class?

28. Write down the greatest even 3 - digit number……………………………..

29. Write down the greatest odd 3 - digit number………………………………..

Exam 3: Vượt chướng ngại vật

1. 56 + 87 = 87 + … The missing number is …………………

2. 98 + 72 = 72 + … The missing number is …………………..

3. A fish weighs 1kg700g, a hundle of average weighs 300g. How many kilograms do they weigh in total?

4. Every 2 jackets cost $30 and every 4 coats cost $40. Find the total cost of 8 such jackets and 16 such coats?

5. Find the value of a such that: 115 x 99 = 110 x 99 + 10 x 99 - a x 99.

6. Find the value of x such that: x - 3925 = 1527.

7. Find the value of x such that: x - 3925 = 1559.

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Math Violympic 4 Round 4 2016-2017

pg. 4 phuongthuylinh78@gmail.com

8. Find the value of y, if 58 < y < 62 and y is an even number.

9. Jenny, Mary and Anna have a total 390 stamps. Jenny has 39 stamps more than Anna and Anna has 45 stamps more than Mary. How stamps does Jenny have?

10. If a + b = 279, a < b and there are 13 odd numbers between a and b. Then the value of a is ...

11. In this figure, MNPQ is a square. Each its side is 15cm long. MGHQ is a rectangle and its width is 12cm shorter than its length. The perimeter of the rectangle GNPH is ...cm.

12. The 20th century starts in 1901. It ends in …

13. The 21st century starts in 2001. It ends in …

14. The average of all numbers that are smaller than 1000 is ...

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