Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015-2016

ĐỀ THI VIOLYMPIC TOÁN TIẾNG ANH LỚP 4 VÒNG 9 NĂM
2015 - 2016
Exam number 1: Fill in the blank with the suitable number
Question 1:
The expression

is equal to ..............

Question 2:
What number should be placed in the box to make?
Answer: ...........
Question 3:
What is the remainder when 65870 is divided by 8?
Answer: ..............
Question 4:
Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have?
Answer: ............... 40 dollars- bills.
Question 5:
A large box of candies and a small box of candies together cost 13 dollars. If the large
box costs 5 dollars more than the small box, what is the price of the small box of
candies?
Answer: ............. dollars.
Question 6:
Six students had an orange eating contest. The graph shows the number of oranges eaten
by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more
oranges did Jack eat than Mary?
Answer: ............. oranges.

Question 7:
The numbers from 1 to 1000 are written. How many of these numbers have at least two
digits 5?
Answer: .............. numbers.
Question 8:
Five students do an exam with a maximum score of 50. The scores of four of the students
are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the
fifth student. The score of the fifth student is .............
Question 9:
Five years ago, Sarah was 7 years old. Two years later, she will be ............. years old.
Question 10:
A fraction is equal to . The sum of its denominator and its numerator is 91. What is the
difference between the denominator and numerator of this fraction?
Answer: ..............
Exam number 2: Đi tìm kho báu
Question 1:
Nick has 3/5 of a dollar and Emma has 3/10 of a dollar. Together they have ………….


a. $6/10



b. $8/10



c. $9/10



d. $15/10
Question 2:
The value of 1/12 : 1/8 = ………….
(Write your answer by fraction in the simplest form)
Question 3:

The symbol

is evaluated as 4 x 7 – 3 x 6 = 10.

If
is evaluated as 29 then the number that should be replaced in the question
mark is ……………
Question 4:
The are of a rectangular garden is 36m2. Its has a length of 9m. Its perimeter, in metres, is
……………..
Question 5:
Last year, Bob’s age is divided by 7. This year, his age is divisible by 5. In how many
years will Bob be 27 years old?
Answer: ……….. years.
Exam number 3: Cóc vàng tài ba
Question 1:
The value of 40 + 60000 + 500 + 30 is ………….


a. 65070



b. 65430



c. 60570



d. 60543
Question 2:
The average of the numbers 21, 23, 25 and 27 is ……………….



a. 22



b. 23



c. 24



d. 26
Question 3:
The perimeter of a rectangular is 3 times its length. If the perimeter is 120cm, the area of
the rectangle is …………



a. 3200cm



b. 800cm



c. 800cm2



d. 3200cm2
Question 4:
Which number should be replace the blank:



a. 32



b. 96



c. 48



d. 24
Question 5:
Sophia plants ten trees every three minutes. If she continues planting at the same rate,
how long will it take she to plant 250 trees?



a. 5/4 h



b. 25h



c. 3/4 h



d. 75h
Question 6:
Anna scored 325 points during the badminton season. If her average point was 13 per
game, how many games did she play?



a. 25



b. 13



c. 26



d. 14
Question 7:
If a machine produces 90 items in one minute, how many items would it produce in 20
second?



a. 180



b. 20



c. 30



d. 60
Question 8:
The digits 1, 2, 3, 4, 5 and 6 are each placed in one of the boxes so that the resulting
product is correct. If each of the six digits is used exactly once, the digit represented
by’?” is ………….



a. 6



b. 2



c. 3



d. 4
Question 9:
The average of five different natural numbers is 4. If the different between the largest and
smallest of these numbers is as large as possible, what is the average of the other three
numbers?



a. 5



b. 2



c. 3



d. 6