Đề thi Violympic Tiếng anh lớp 4 vòng 1 - Năm học 2016-2017

Vòng 1 (2016 - 2017)
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Caculate: 205 + 60 + 3 = ..
If 77 – b = 7 then b =
The perimeter of a square is 20 cm. What is its area in centermet square? 
Van made 30 paper flowers. She gave her friend 1/6 of the flowers. How many flowers did she give her friend? 
Find the difference between the fourth and the first number in the sequence: 13; 14; 15; 16; 17; 18.
Subtract 50 from 715. The result is ..
How many 100g are there in 4kg.
Đi tìm kho báu
The sum of 2 numbers is 807. If one of the number is 399, what is the other number?
Which one of the following is the shortest than distance?
3km 3m	b. 8 km 30 m	c. 8m 3 cm 	d. 8m 30cm
7780 is  tens more than 4280.
What is the smallest odd number that can be formed using all the digits 3; 5; 1 and 4.
Mr Foo spent 1 year 5 months in London and 2 year 7 month in Paris. How long was he in the two cities? (Express your answer in the month)