Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 10 năm 2014 - 2015
Exam number 1: Fill in the blank with the suitable sign (>,
and the remaining 13 hectares for flowers. The total area of his land is ............ hectares.
a. 60

b. 70

c. 50

d. 80

Question 6: Find the value of B = 2016 x 20152015 - 2015 x 20162015
Answer: The value of B is .........
a. 2015

b. 2016

c. 20152016

d. 20162015

Question 7: The product of 2 natural numbers is 2015. Find the smallest possible sum of
these two numbers?
Answer: The smallest possible sum of these numbers is ...............
a. 96b

. 65

c. 408

d. 2016



114

121

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Answer: x is ..........
a. 32

b. 34

c. 50

d. 45

Exam number 3: Vượt chướng ngại vật
Question 1: Fill in the blank with the correct number
35km + 700cm = ......... m
Question 2: 765 - ........ = 123 x 2 + 276
The correct number filled in the blank is ...........
Question 3: How many triangles in the following figure?

Answer: There are ................ triangles.
Question 4: Find the value of digit x if 2006 < 20x5 < 2041 and 20x5 is divisible by 3?
Answer: The value of x is ................
Question 5: Find the greatest natural number m such that:

12

Question 6: a
Question 7: a
Question 8: b
Question 9: a
Question 10: c
Exam number 3: Vượt chướng ngại vật
Question 1: 35007
Question 2: 243
Question 3: 15
Question 4: 2
Question 5: 6

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